20392728

素因数分解:

$2^3\times 3^1\times {\mathrm{211}}^1\times {\mathrm{4027}}^1$

素因数の和:4247

約数の個数: 32

約数和(自身を含む): 51236160

約数和(自身を除く): 30843432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 211, 422, 633, 844, 1266, 1688, 2532, 4027, 5064, 8054, 12081, 16108, 24162, 32216, 48324, 96648, 849697, 1699394, 2549091, 3398788, 5098182, 6797576, 10196364, 20392728]

約数ペア:

[(1, 20392728), (2, 10196364), (3, 6797576), (4, 5098182), (6, 3398788), (8, 2549091), (12, 1699394), (24, 849697), (211, 96648), (422, 48324), (633, 32216), (844, 24162), (1266, 16108), (1688, 12081), (2532, 8054), (4027, 5064)]