20514390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2287}}^1$

素因数の和:2333

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 34836906

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2287, 2990, 4485, 4574, 6861, 8970, 11435, 13722, 22870, 29731, 34305, 52601, 59462, 68610, 89193, 105202, 148655, 157803, 178386, 263005, 297310, 315606, 445965, 526010, 683813, 789015, 891930, 1367626, 1578030, 2051439, 3419065, 4102878, 6838130, 10257195, 20514390]

約数ペア:

[(1, 20514390), (2, 10257195), (3, 6838130), (5, 4102878), (6, 3419065), (10, 2051439), (13, 1578030), (15, 1367626), (23, 891930), (26, 789015), (30, 683813), (39, 526010), (46, 445965), (65, 315606), (69, 297310), (78, 263005), (115, 178386), (130, 157803), (138, 148655), (195, 105202), (230, 89193), (299, 68610), (345, 59462), (390, 52601), (598, 34305), (690, 29731), (897, 22870), (1495, 13722), (1794, 11435), (2287, 8970), (2990, 6861), (4485, 4574)]