2013221320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4575503}}^1$

素因数の和:4575525

約数の個数: 32

約数和(自身を含む): 4941544320

約数和(自身を除く): 2928323000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4575503, 9151006, 18302012, 22877515, 36604024, 45755030, 50330533, 91510060, 100661066, 183020120, 201322132, 251652665, 402644264, 503305330, 1006610660, 2013221320]

約数ペア:

[(1, 2013221320), (2, 1006610660), (4, 503305330), (5, 402644264), (8, 251652665), (10, 201322132), (11, 183020120), (20, 100661066), (22, 91510060), (40, 50330533), (44, 45755030), (55, 36604024), (88, 22877515), (110, 18302012), (220, 9151006), (440, 4575503)]