20103380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 50077440

約数和(自身を除く): 29974060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 29, 44, 46, 55, 58, 92, 110, 115, 116, 137, 145, 220, 230, 253, 274, 290, 319, 460, 506, 548, 580, 638, 667, 685, 1012, 1265, 1276, 1334, 1370, 1507, 1595, 2530, 2668, 2740, 3014, 3151, 3190, 3335, 3973, 5060, 6028, 6302, 6380, 6670, 7337, 7535, 7946, 12604, 13340, 14674, 15070, 15755, 15892, 19865, 29348, 30140, 31510, 34661, 36685, 39730, 43703, 63020, 69322, 73370, 79460, 87406, 91379, 138644, 146740, 173305, 174812, 182758, 218515, 346610, 365516, 437030, 456895, 693220, 874060, 913790, 1005169, 1827580, 2010338, 4020676, 5025845, 10051690, 20103380]

約数ペア:

[(1, 20103380), (2, 10051690), (4, 5025845), (5, 4020676), (10, 2010338), (11, 1827580), (20, 1005169), (22, 913790), (23, 874060), (29, 693220), (44, 456895), (46, 437030), (55, 365516), (58, 346610), (92, 218515), (110, 182758), (115, 174812), (116, 173305), (137, 146740), (145, 138644), (220, 91379), (230, 87406), (253, 79460), (274, 73370), (290, 69322), (319, 63020), (460, 43703), (506, 39730), (548, 36685), (580, 34661), (638, 31510), (667, 30140), (685, 29348), (1012, 19865), (1265, 15892), (1276, 15755), (1334, 15070), (1370, 14674), (1507, 13340), (1595, 12604), (2530, 7946), (2668, 7535), (2740, 7337), (3014, 6670), (3151, 6380), (3190, 6302), (3335, 6028), (3973, 5060)]