20131447804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1115

約数の個数: 96

約数和(自身を含む): 40732989696

約数和(自身を除く): 20601541892

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 107, 214, 221, 331, 428, 442, 643, 662, 884, 1286, 1324, 1391, 1819, 2572, 2782, 3638, 4303, 5564, 5627, 7276, 8359, 8606, 10931, 11254, 16718, 17212, 21862, 22508, 23647, 33436, 35417, 43724, 47294, 68801, 70834, 73151, 94588, 137602, 141668, 142103, 146302, 212833, 275204, 284206, 292604, 425666, 460421, 568412, 602089, 851332, 894413, 920842, 1169617, 1204178, 1788826, 1841684, 2339234, 2408356, 2766829, 3577652, 3618161, 4678468, 5533658, 7236322, 7827157, 11067316, 14472644, 15205021, 15654314, 22773131, 30410042, 31308628, 45546262, 47036093, 60820084, 91092524, 94072186, 188144372, 296050703, 387143227, 592101406, 774286454, 1184202812, 1548572908, 5032861951, 10065723902, 20131447804]

約数ペア:

[(1, 20131447804), (2, 10065723902), (4, 5032861951), (13, 1548572908), (17, 1184202812), (26, 774286454), (34, 592101406), (52, 387143227), (68, 296050703), (107, 188144372), (214, 94072186), (221, 91092524), (331, 60820084), (428, 47036093), (442, 45546262), (643, 31308628), (662, 30410042), (884, 22773131), (1286, 15654314), (1324, 15205021), (1391, 14472644), (1819, 11067316), (2572, 7827157), (2782, 7236322), (3638, 5533658), (4303, 4678468), (5564, 3618161), (5627, 3577652), (7276, 2766829), (8359, 2408356), (8606, 2339234), (10931, 1841684), (11254, 1788826), (16718, 1204178), (17212, 1169617), (21862, 920842), (22508, 894413), (23647, 851332), (33436, 602089), (35417, 568412), (43724, 460421), (47294, 425666), (68801, 292604), (70834, 284206), (73151, 275204), (94588, 212833), (137602, 146302), (141668, 142103)]