20104724220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{31891}}^1$

素因数の和:32008

約数の個数: 192

約数和(自身を含む): 68580556800

約数和(自身を除く): 48475832580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 79, 84, 95, 105, 114, 133, 140, 158, 190, 210, 228, 237, 266, 285, 316, 380, 395, 399, 420, 474, 532, 553, 570, 665, 790, 798, 948, 1106, 1140, 1185, 1330, 1501, 1580, 1596, 1659, 1995, 2212, 2370, 2660, 2765, 3002, 3318, 3990, 4503, 4740, 5530, 6004, 6636, 7505, 7980, 8295, 9006, 10507, 11060, 15010, 16590, 18012, 21014, 22515, 30020, 31521, 31891, 33180, 42028, 45030, 52535, 63042, 63782, 90060, 95673, 105070, 126084, 127564, 157605, 159455, 191346, 210140, 223237, 315210, 318910, 382692, 446474, 478365, 605929, 630420, 637820, 669711, 892948, 956730, 1116185, 1211858, 1339422, 1817787, 1913460, 2232370, 2423716, 2519389, 2678844, 3029645, 3348555, 3635574, 4241503, 4464740, 5038778, 6059290, 6697110, 7271148, 7558167, 8483006, 9088935, 10077556, 12118580, 12596945, 12724509, 13394220, 15116334, 16966012, 17635723, 18177870, 21207515, 25193890, 25449018, 30232668, 35271446, 36355740, 37790835, 42415030, 47868391, 50387780, 50898036, 52907169, 63622545, 70542892, 75581670, 84830060, 88178615, 95736782, 105814338, 127245090, 143605173, 151163340, 176357230, 191473564, 211628676, 239341955, 254490180, 264535845, 287210346, 335078737, 352714460, 478683910, 529071690, 574420692, 670157474, 718025865, 957367820, 1005236211, 1058143380, 1340314948, 1436051730, 1675393685, 2010472422, 2872103460, 3350787370, 4020944844, 5026181055, 6701574740, 10052362110, 20104724220]

約数ペア:

[(1, 20104724220), (2, 10052362110), (3, 6701574740), (4, 5026181055), (5, 4020944844), (6, 3350787370), (7, 2872103460), (10, 2010472422), (12, 1675393685), (14, 1436051730), (15, 1340314948), (19, 1058143380), (20, 1005236211), (21, 957367820), (28, 718025865), (30, 670157474), (35, 574420692), (38, 529071690), (42, 478683910), (57, 352714460), (60, 335078737), (70, 287210346), (76, 264535845), (79, 254490180), (84, 239341955), (95, 211628676), (105, 191473564), (114, 176357230), (133, 151163340), (140, 143605173), (158, 127245090), (190, 105814338), (210, 95736782), (228, 88178615), (237, 84830060), (266, 75581670), (285, 70542892), (316, 63622545), (380, 52907169), (395, 50898036), (399, 50387780), (420, 47868391), (474, 42415030), (532, 37790835), (553, 36355740), (570, 35271446), (665, 30232668), (790, 25449018), (798, 25193890), (948, 21207515), (1106, 18177870), (1140, 17635723), (1185, 16966012), (1330, 15116334), (1501, 13394220), (1580, 12724509), (1596, 12596945), (1659, 12118580), (1995, 10077556), (2212, 9088935), (2370, 8483006), (2660, 7558167), (2765, 7271148), (3002, 6697110), (3318, 6059290), (3990, 5038778), (4503, 4464740), (4740, 4241503), (5530, 3635574), (6004, 3348555), (6636, 3029645), (7505, 2678844), (7980, 2519389), (8295, 2423716), (9006, 2232370), (10507, 1913460), (11060, 1817787), (15010, 1339422), (16590, 1211858), (18012, 1116185), (21014, 956730), (22515, 892948), (30020, 669711), (31521, 637820), (31891, 630420), (33180, 605929), (42028, 478365), (45030, 446474), (52535, 382692), (63042, 318910), (63782, 315210), (90060, 223237), (95673, 210140), (105070, 191346), (126084, 159455), (127564, 157605)]