20724702948

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1237}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 54724750080

約数和(自身を除く): 34000047132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 137, 158, 172, 237, 258, 274, 316, 387, 411, 474, 516, 548, 711, 774, 822, 948, 1233, 1237, 1422, 1548, 1644, 2466, 2474, 2844, 3397, 3711, 4932, 4948, 5891, 6794, 7422, 10191, 10823, 11133, 11782, 13588, 14844, 17673, 20382, 21646, 22266, 23564, 30573, 32469, 35346, 40764, 43292, 44532, 53019, 53191, 61146, 64938, 70692, 97407, 97723, 106038, 106382, 122292, 129876, 159573, 169469, 194814, 195446, 212076, 212764, 293169, 319146, 338938, 389628, 390892, 465389, 478719, 508407, 586338, 638292, 677876, 879507, 930778, 957438, 1016814, 1172676, 1396167, 1525221, 1759014, 1861556, 1914876, 2033628, 2792334, 3050442, 3518028, 4188501, 4202089, 5584668, 6100884, 7287167, 8377002, 8404178, 12606267, 13388051, 14574334, 16754004, 16808356, 21861501, 25212534, 26776102, 29148668, 37818801, 40164153, 43723002, 50425068, 53552204, 65584503, 75637602, 80328306, 87446004, 120492459, 131169006, 151275204, 160656612, 240984918, 262338012, 481969836, 575686193, 1151372386, 1727058579, 2302744772, 3454117158, 5181175737, 6908234316, 10362351474, 20724702948]

約数ペア:

[(1, 20724702948), (2, 10362351474), (3, 6908234316), (4, 5181175737), (6, 3454117158), (9, 2302744772), (12, 1727058579), (18, 1151372386), (36, 575686193), (43, 481969836), (79, 262338012), (86, 240984918), (129, 160656612), (137, 151275204), (158, 131169006), (172, 120492459), (237, 87446004), (258, 80328306), (274, 75637602), (316, 65584503), (387, 53552204), (411, 50425068), (474, 43723002), (516, 40164153), (548, 37818801), (711, 29148668), (774, 26776102), (822, 25212534), (948, 21861501), (1233, 16808356), (1237, 16754004), (1422, 14574334), (1548, 13388051), (1644, 12606267), (2466, 8404178), (2474, 8377002), (2844, 7287167), (3397, 6100884), (3711, 5584668), (4932, 4202089), (4948, 4188501), (5891, 3518028), (6794, 3050442), (7422, 2792334), (10191, 2033628), (10823, 1914876), (11133, 1861556), (11782, 1759014), (13588, 1525221), (14844, 1396167), (17673, 1172676), (20382, 1016814), (21646, 957438), (22266, 930778), (23564, 879507), (30573, 677876), (32469, 638292), (35346, 586338), (40764, 508407), (43292, 478719), (44532, 465389), (53019, 390892), (53191, 389628), (61146, 338938), (64938, 319146), (70692, 293169), (97407, 212764), (97723, 212076), (106038, 195446), (106382, 194814), (122292, 169469), (129876, 159573)]