20172959820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2873641}}^1$

素因数の和:2873672

約数の個数: 96

約数和(自身を含む): 67588059840

約数和(自身を除く): 47415100020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 2873641, 5747282, 8620923, 11494564, 14368205, 17241846, 25862769, 28736410, 34483692, 37357333, 43104615, 51725538, 57472820, 74714666, 77588307, 86209230, 103451076, 112071999, 129313845, 149429332, 155176614, 172418460, 186786665, 224143998, 258627690, 310353228, 336215997, 373573330, 387941535, 448287996, 517255380, 560359995, 672431994, 747146660, 775883070, 1008647991, 1120719990, 1344863988, 1551766140, 1681079985, 2017295982, 2241439980, 3362159970, 4034591964, 5043239955, 6724319940, 10086479910, 20172959820]

約数ペア:

[(1, 20172959820), (2, 10086479910), (3, 6724319940), (4, 5043239955), (5, 4034591964), (6, 3362159970), (9, 2241439980), (10, 2017295982), (12, 1681079985), (13, 1551766140), (15, 1344863988), (18, 1120719990), (20, 1008647991), (26, 775883070), (27, 747146660), (30, 672431994), (36, 560359995), (39, 517255380), (45, 448287996), (52, 387941535), (54, 373573330), (60, 336215997), (65, 310353228), (78, 258627690), (90, 224143998), (108, 186786665), (117, 172418460), (130, 155176614), (135, 149429332), (156, 129313845), (180, 112071999), (195, 103451076), (234, 86209230), (260, 77588307), (270, 74714666), (351, 57472820), (390, 51725538), (468, 43104615), (540, 37357333), (585, 34483692), (702, 28736410), (780, 25862769), (1170, 17241846), (1404, 14368205), (1755, 11494564), (2340, 8620923), (3510, 5747282), (7020, 2873641)]