20047356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 42851844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 53, 57, 63, 76, 79, 84, 106, 114, 126, 133, 158, 159, 171, 212, 228, 237, 252, 266, 316, 318, 342, 371, 399, 474, 477, 532, 553, 636, 684, 711, 742, 798, 948, 954, 1007, 1106, 1113, 1197, 1422, 1484, 1501, 1596, 1659, 1908, 2014, 2212, 2226, 2394, 2844, 3002, 3021, 3318, 3339, 4028, 4187, 4452, 4503, 4788, 4977, 6004, 6042, 6636, 6678, 7049, 8374, 9006, 9063, 9954, 10507, 12084, 12561, 13356, 13509, 14098, 16748, 18012, 18126, 19908, 21014, 21147, 25122, 27018, 28196, 29309, 31521, 36252, 37683, 42028, 42294, 50244, 54036, 58618, 63042, 63441, 75366, 79553, 84588, 87927, 94563, 117236, 126084, 126882, 150732, 159106, 175854, 189126, 238659, 253764, 263781, 318212, 351708, 378252, 477318, 527562, 556871, 715977, 954636, 1055124, 1113742, 1431954, 1670613, 2227484, 2863908, 3341226, 5011839, 6682452, 10023678, 20047356]

約数ペア:

[(1, 20047356), (2, 10023678), (3, 6682452), (4, 5011839), (6, 3341226), (7, 2863908), (9, 2227484), (12, 1670613), (14, 1431954), (18, 1113742), (19, 1055124), (21, 954636), (28, 715977), (36, 556871), (38, 527562), (42, 477318), (53, 378252), (57, 351708), (63, 318212), (76, 263781), (79, 253764), (84, 238659), (106, 189126), (114, 175854), (126, 159106), (133, 150732), (158, 126882), (159, 126084), (171, 117236), (212, 94563), (228, 87927), (237, 84588), (252, 79553), (266, 75366), (316, 63441), (318, 63042), (342, 58618), (371, 54036), (399, 50244), (474, 42294), (477, 42028), (532, 37683), (553, 36252), (636, 31521), (684, 29309), (711, 28196), (742, 27018), (798, 25122), (948, 21147), (954, 21014), (1007, 19908), (1106, 18126), (1113, 18012), (1197, 16748), (1422, 14098), (1484, 13509), (1501, 13356), (1596, 12561), (1659, 12084), (1908, 10507), (2014, 9954), (2212, 9063), (2226, 9006), (2394, 8374), (2844, 7049), (3002, 6678), (3021, 6636), (3318, 6042), (3339, 6004), (4028, 4977), (4187, 4788), (4452, 4503)]