20409592

素因数分解:

$2^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1297}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 43924320

約数和(自身を除く): 23514728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 281, 562, 1124, 1297, 1967, 2248, 2594, 3934, 5188, 7868, 9079, 10376, 15736, 18158, 36316, 72632, 364457, 728914, 1457828, 2551199, 2915656, 5102398, 10204796, 20409592]

約数ペア:

[(1, 20409592), (2, 10204796), (4, 5102398), (7, 2915656), (8, 2551199), (14, 1457828), (28, 728914), (56, 364457), (281, 72632), (562, 36316), (1124, 18158), (1297, 15736), (1967, 10376), (2248, 9079), (2594, 7868), (3934, 5188)]