15691872020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2300861}}^1$

素因数の和:2300912

約数の個数: 48

約数和(自身を含む): 37108302336

約数和(自身を除く): 21416430316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 2300861, 4601722, 9203444, 11504305, 23008610, 25309471, 46017220, 50618942, 71326691, 101237884, 126547355, 142653382, 253094710, 285306764, 356633455, 506189420, 713266910, 784593601, 1426533820, 1569187202, 3138374404, 3922968005, 7845936010, 15691872020]

約数ペア:

[(1, 15691872020), (2, 7845936010), (4, 3922968005), (5, 3138374404), (10, 1569187202), (11, 1426533820), (20, 784593601), (22, 713266910), (31, 506189420), (44, 356633455), (55, 285306764), (62, 253094710), (110, 142653382), (124, 126547355), (155, 101237884), (220, 71326691), (310, 50618942), (341, 46017220), (620, 25309471), (682, 23008610), (1364, 11504305), (1705, 9203444), (3410, 4601722), (6820, 2300861)]