20945552

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35381}}^1$

素因数の和:35426

約数の個数: 20

約数和(自身を含む): 41679996

約数和(自身を除く): 20734444

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35381, 70762, 141524, 283048, 566096, 1309097, 2618194, 5236388, 10472776, 20945552]

約数ペア:

[(1, 20945552), (2, 10472776), (4, 5236388), (8, 2618194), (16, 1309097), (37, 566096), (74, 283048), (148, 141524), (296, 70762), (592, 35381)]