20177645046

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:654

約数の個数: 128

約数和(自身を含む): 45367257600

約数和(自身を除く): 25189612554

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 139, 179, 222, 278, 281, 358, 417, 481, 537, 562, 834, 843, 962, 1074, 1443, 1686, 1807, 2327, 2886, 3614, 3653, 4654, 5143, 5421, 6623, 6981, 7306, 10286, 10397, 10842, 10959, 13246, 13962, 15429, 19869, 20794, 21918, 24881, 30858, 31191, 39059, 39738, 49762, 50299, 62382, 66859, 74643, 78118, 86099, 100598, 117177, 133718, 135161, 149286, 150897, 172198, 200577, 234354, 258297, 270322, 301794, 323453, 401154, 405483, 507767, 516594, 646906, 653887, 810966, 920597, 970359, 1015534, 1307774, 1445183, 1523301, 1841194, 1861063, 1940718, 1961661, 2761791, 2890366, 3046602, 3722126, 3923322, 4335549, 5523582, 5583189, 6991561, 8671098, 11166378, 11967761, 13983122, 18787379, 20974683, 23935522, 24193819, 35903283, 37574758, 41949366, 48387638, 56362137, 71806566, 72581457, 90890293, 112724274, 145162914, 181780586, 258687757, 272670879, 517375514, 545341758, 776063271, 1552126542, 3362940841, 6725881682, 10088822523, 20177645046]

約数ペア:

[(1, 20177645046), (2, 10088822523), (3, 6725881682), (6, 3362940841), (13, 1552126542), (26, 776063271), (37, 545341758), (39, 517375514), (74, 272670879), (78, 258687757), (111, 181780586), (139, 145162914), (179, 112724274), (222, 90890293), (278, 72581457), (281, 71806566), (358, 56362137), (417, 48387638), (481, 41949366), (537, 37574758), (562, 35903283), (834, 24193819), (843, 23935522), (962, 20974683), (1074, 18787379), (1443, 13983122), (1686, 11967761), (1807, 11166378), (2327, 8671098), (2886, 6991561), (3614, 5583189), (3653, 5523582), (4654, 4335549), (5143, 3923322), (5421, 3722126), (6623, 3046602), (6981, 2890366), (7306, 2761791), (10286, 1961661), (10397, 1940718), (10842, 1861063), (10959, 1841194), (13246, 1523301), (13962, 1445183), (15429, 1307774), (19869, 1015534), (20794, 970359), (21918, 920597), (24881, 810966), (30858, 653887), (31191, 646906), (39059, 516594), (39738, 507767), (49762, 405483), (50299, 401154), (62382, 323453), (66859, 301794), (74643, 270322), (78118, 258297), (86099, 234354), (100598, 200577), (117177, 172198), (133718, 150897), (135161, 149286)]