20778060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11171}}^1$

素因数の和:11214

約数の個数: 48

約数和(自身を含む): 60060672

約数和(自身を除く): 39282612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11171, 22342, 33513, 44684, 55855, 67026, 111710, 134052, 167565, 223420, 335130, 346301, 670260, 692602, 1038903, 1385204, 1731505, 2077806, 3463010, 4155612, 5194515, 6926020, 10389030, 20778060]

約数ペア:

[(1, 20778060), (2, 10389030), (3, 6926020), (4, 5194515), (5, 4155612), (6, 3463010), (10, 2077806), (12, 1731505), (15, 1385204), (20, 1038903), (30, 692602), (31, 670260), (60, 346301), (62, 335130), (93, 223420), (124, 167565), (155, 134052), (186, 111710), (310, 67026), (372, 55855), (465, 44684), (620, 33513), (930, 22342), (1860, 11171)]