20308014740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{7321}}^1$

素因数の和:7617

約数の個数: 96

約数和(自身を含む): 47117597184

約数和(自身を除く): 26809582444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 227, 235, 260, 454, 470, 611, 908, 940, 1135, 1222, 2270, 2444, 2951, 3055, 4540, 5902, 6110, 7321, 10669, 11804, 12220, 14642, 14755, 21338, 29284, 29510, 36605, 42676, 53345, 59020, 73210, 95173, 106690, 138697, 146420, 190346, 213380, 277394, 344087, 380692, 475865, 554788, 688174, 693485, 951730, 1376348, 1386970, 1661867, 1720435, 1903460, 2773940, 3323734, 3440870, 4473131, 6647468, 6881740, 8309335, 8946262, 16618670, 17892524, 21604271, 22365655, 33237340, 43208542, 44731310, 78107749, 86417084, 89462620, 108021355, 156215498, 216042710, 312430996, 390538745, 432085420, 781077490, 1015400737, 1562154980, 2030801474, 4061602948, 5077003685, 10154007370, 20308014740]

約数ペア:

[(1, 20308014740), (2, 10154007370), (4, 5077003685), (5, 4061602948), (10, 2030801474), (13, 1562154980), (20, 1015400737), (26, 781077490), (47, 432085420), (52, 390538745), (65, 312430996), (94, 216042710), (130, 156215498), (188, 108021355), (227, 89462620), (235, 86417084), (260, 78107749), (454, 44731310), (470, 43208542), (611, 33237340), (908, 22365655), (940, 21604271), (1135, 17892524), (1222, 16618670), (2270, 8946262), (2444, 8309335), (2951, 6881740), (3055, 6647468), (4540, 4473131), (5902, 3440870), (6110, 3323734), (7321, 2773940), (10669, 1903460), (11804, 1720435), (12220, 1661867), (14642, 1386970), (14755, 1376348), (21338, 951730), (29284, 693485), (29510, 688174), (36605, 554788), (42676, 475865), (53345, 380692), (59020, 344087), (73210, 277394), (95173, 213380), (106690, 190346), (138697, 146420)]