20385072

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2671}}^1$

素因数の和:2738

約数の個数: 60

約数和(自身を含む): 58148064

約数和(自身を除く): 37762992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2671, 3816, 5342, 7632, 8013, 10684, 16026, 21368, 24039, 32052, 42736, 48078, 64104, 96156, 128208, 141563, 192312, 283126, 384624, 424689, 566252, 849378, 1132504, 1274067, 1698756, 2265008, 2548134, 3397512, 5096268, 6795024, 10192536, 20385072]

約数ペア:

[(1, 20385072), (2, 10192536), (3, 6795024), (4, 5096268), (6, 3397512), (8, 2548134), (9, 2265008), (12, 1698756), (16, 1274067), (18, 1132504), (24, 849378), (36, 566252), (48, 424689), (53, 384624), (72, 283126), (106, 192312), (144, 141563), (159, 128208), (212, 96156), (318, 64104), (424, 48078), (477, 42736), (636, 32052), (848, 24039), (954, 21368), (1272, 16026), (1908, 10684), (2544, 8013), (2671, 7632), (3816, 5342)]