20056560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{433}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 62641824

約数和(自身を除く): 42585264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 433, 579, 772, 866, 965, 1158, 1299, 1544, 1732, 1930, 2165, 2316, 2598, 2895, 3088, 3464, 3860, 4330, 4632, 5196, 5790, 6495, 6928, 7720, 8660, 9264, 10392, 11580, 12990, 15440, 17320, 20784, 23160, 25980, 34640, 46320, 51960, 83569, 103920, 167138, 250707, 334276, 417845, 501414, 668552, 835690, 1002828, 1253535, 1337104, 1671380, 2005656, 2507070, 3342760, 4011312, 5014140, 6685520, 10028280, 20056560]

約数ペア:

[(1, 20056560), (2, 10028280), (3, 6685520), (4, 5014140), (5, 4011312), (6, 3342760), (8, 2507070), (10, 2005656), (12, 1671380), (15, 1337104), (16, 1253535), (20, 1002828), (24, 835690), (30, 668552), (40, 501414), (48, 417845), (60, 334276), (80, 250707), (120, 167138), (193, 103920), (240, 83569), (386, 51960), (433, 46320), (579, 34640), (772, 25980), (866, 23160), (965, 20784), (1158, 17320), (1299, 15440), (1544, 12990), (1732, 11580), (1930, 10392), (2165, 9264), (2316, 8660), (2598, 7720), (2895, 6928), (3088, 6495), (3464, 5790), (3860, 5196), (4330, 4632)]