20100870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 52605072

約数和(自身を除く): 32504202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1291, 1557, 1730, 2582, 2595, 3114, 3873, 5190, 6455, 7746, 7785, 11619, 12910, 15570, 19365, 23238, 38730, 58095, 116190, 223343, 446686, 670029, 1116715, 1340058, 2010087, 2233430, 3350145, 4020174, 6700290, 10050435, 20100870]

約数ペア:

[(1, 20100870), (2, 10050435), (3, 6700290), (5, 4020174), (6, 3350145), (9, 2233430), (10, 2010087), (15, 1340058), (18, 1116715), (30, 670029), (45, 446686), (90, 223343), (173, 116190), (346, 58095), (519, 38730), (865, 23238), (1038, 19365), (1291, 15570), (1557, 12910), (1730, 11619), (2582, 7785), (2595, 7746), (3114, 6455), (3873, 5190)]