20558520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57107}}^1$

素因数の和:57124

約数の個数: 48

約数和(自身を含む): 66816360

約数和(自身を除く): 46257840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57107, 114214, 171321, 228428, 285535, 342642, 456856, 513963, 571070, 685284, 856605, 1027926, 1142140, 1370568, 1713210, 2055852, 2284280, 2569815, 3426420, 4111704, 5139630, 6852840, 10279260, 20558520]

約数ペア:

[(1, 20558520), (2, 10279260), (3, 6852840), (4, 5139630), (5, 4111704), (6, 3426420), (8, 2569815), (9, 2284280), (10, 2055852), (12, 1713210), (15, 1370568), (18, 1142140), (20, 1027926), (24, 856605), (30, 685284), (36, 571070), (40, 513963), (45, 456856), (60, 342642), (72, 285535), (90, 228428), (120, 171321), (180, 114214), (360, 57107)]