20171851880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1\times {\mathrm{5059}}^1$

素因数の和:6354

約数の個数: 64

約数和(自身を含む): 45980827200

約数和(自身を除く): 25808975320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1201, 1660, 2402, 3320, 4804, 5059, 6005, 9608, 10118, 12010, 20236, 24020, 25295, 40472, 48040, 50590, 99683, 101180, 199366, 202360, 398732, 419897, 498415, 797464, 839794, 996830, 1679588, 1993660, 2099485, 3359176, 3987320, 4198970, 6075859, 8397940, 12151718, 16795880, 24303436, 30379295, 48606872, 60758590, 121517180, 243034360, 504296297, 1008592594, 2017185188, 2521481485, 4034370376, 5042962970, 10085925940, 20171851880]

約数ペア:

[(1, 20171851880), (2, 10085925940), (4, 5042962970), (5, 4034370376), (8, 2521481485), (10, 2017185188), (20, 1008592594), (40, 504296297), (83, 243034360), (166, 121517180), (332, 60758590), (415, 48606872), (664, 30379295), (830, 24303436), (1201, 16795880), (1660, 12151718), (2402, 8397940), (3320, 6075859), (4804, 4198970), (5059, 3987320), (6005, 3359176), (9608, 2099485), (10118, 1993660), (12010, 1679588), (20236, 996830), (24020, 839794), (25295, 797464), (40472, 498415), (48040, 419897), (50590, 398732), (99683, 202360), (101180, 199366)]