20451216

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8039}}^1$

素因数の和:8103

約数の個数: 40

約数和(自身を含む): 53835840

約数和(自身を除く): 33384624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8039, 16078, 24117, 32156, 48234, 64312, 96468, 128624, 192936, 385872, 426067, 852134, 1278201, 1704268, 2556402, 3408536, 5112804, 6817072, 10225608, 20451216]

約数ペア:

[(1, 20451216), (2, 10225608), (3, 6817072), (4, 5112804), (6, 3408536), (8, 2556402), (12, 1704268), (16, 1278201), (24, 852134), (48, 426067), (53, 385872), (106, 192936), (159, 128624), (212, 96468), (318, 64312), (424, 48234), (636, 32156), (848, 24117), (1272, 16078), (2544, 8039)]