15691532020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1\times {\mathrm{24571}}^1$

素因数の和:25480

約数の個数: 48

約数和(自身を含む): 33883411968

約数和(自身を除く): 18191879948

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 863, 1726, 3452, 4315, 8630, 17260, 24571, 31931, 49142, 63862, 98284, 122855, 127724, 159655, 245710, 319310, 491420, 638620, 909127, 1818254, 3636508, 4545635, 9091270, 18182540, 21204773, 42409546, 84819092, 106023865, 212047730, 424095460, 784576601, 1569153202, 3138306404, 3922883005, 7845766010, 15691532020]

約数ペア:

[(1, 15691532020), (2, 7845766010), (4, 3922883005), (5, 3138306404), (10, 1569153202), (20, 784576601), (37, 424095460), (74, 212047730), (148, 106023865), (185, 84819092), (370, 42409546), (740, 21204773), (863, 18182540), (1726, 9091270), (3452, 4545635), (4315, 3636508), (8630, 1818254), (17260, 909127), (24571, 638620), (31931, 491420), (49142, 319310), (63862, 245710), (98284, 159655), (122855, 127724)]