20444970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7519

約数の個数: 64

約数和(自身を含む): 60399360

約数和(自身を除く): 39954390

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7489, 14978, 22467, 37445, 44934, 52423, 74890, 97357, 104846, 112335, 157269, 194714, 224670, 262115, 292071, 314538, 486785, 524230, 584142, 681499, 786345, 973570, 1362998, 1460355, 1572690, 2044497, 2920710, 3407495, 4088994, 6814990, 10222485, 20444970]

約数ペア:

[(1, 20444970), (2, 10222485), (3, 6814990), (5, 4088994), (6, 3407495), (7, 2920710), (10, 2044497), (13, 1572690), (14, 1460355), (15, 1362998), (21, 973570), (26, 786345), (30, 681499), (35, 584142), (39, 524230), (42, 486785), (65, 314538), (70, 292071), (78, 262115), (91, 224670), (105, 194714), (130, 157269), (182, 112335), (195, 104846), (210, 97357), (273, 74890), (390, 52423), (455, 44934), (546, 37445), (910, 22467), (1365, 14978), (2730, 7489)]