20173820420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1\times {\mathrm{3251}}^1$

素因数の和:4125

約数の個数: 96

約数和(自身を含む): 47268990720

約数和(自身を除く): 27095170300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 823, 1508, 1646, 1885, 3251, 3292, 3770, 4115, 6502, 7540, 8230, 10699, 13004, 16255, 16460, 21398, 23867, 32510, 42263, 42796, 47734, 53495, 65020, 84526, 94279, 95468, 106990, 119335, 169052, 188558, 211315, 213980, 238670, 310271, 377116, 422630, 471395, 477340, 620542, 845260, 942790, 1225627, 1241084, 1551355, 1885580, 2451254, 2675573, 3102710, 4902508, 5351146, 6128135, 6205420, 10702292, 12256270, 13377865, 24512540, 26755730, 34782449, 53511460, 69564898, 77591617, 139129796, 155183234, 173912245, 310366468, 347824490, 387958085, 695648980, 775916170, 1008691021, 1551832340, 2017382042, 4034764084, 5043455105, 10086910210, 20173820420]

約数ペア:

[(1, 20173820420), (2, 10086910210), (4, 5043455105), (5, 4034764084), (10, 2017382042), (13, 1551832340), (20, 1008691021), (26, 775916170), (29, 695648980), (52, 387958085), (58, 347824490), (65, 310366468), (116, 173912245), (130, 155183234), (145, 139129796), (260, 77591617), (290, 69564898), (377, 53511460), (580, 34782449), (754, 26755730), (823, 24512540), (1508, 13377865), (1646, 12256270), (1885, 10702292), (3251, 6205420), (3292, 6128135), (3770, 5351146), (4115, 4902508), (6502, 3102710), (7540, 2675573), (8230, 2451254), (10699, 1885580), (13004, 1551355), (16255, 1241084), (16460, 1225627), (21398, 942790), (23867, 845260), (32510, 620542), (42263, 477340), (42796, 471395), (47734, 422630), (53495, 377116), (65020, 310271), (84526, 238670), (94279, 213980), (95468, 211315), (106990, 188558), (119335, 169052)]