20281482

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 28828278

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 167, 173, 234, 334, 346, 351, 501, 519, 702, 1002, 1038, 1503, 1557, 2171, 2249, 3006, 3114, 4342, 4498, 4509, 4671, 6513, 6747, 9018, 9342, 13026, 13494, 19539, 20241, 28891, 39078, 40482, 57782, 58617, 60723, 86673, 117234, 121446, 173346, 260019, 375583, 520038, 751166, 780057, 1126749, 1560114, 2253498, 3380247, 6760494, 10140741, 20281482]

約数ペア:

[(1, 20281482), (2, 10140741), (3, 6760494), (6, 3380247), (9, 2253498), (13, 1560114), (18, 1126749), (26, 780057), (27, 751166), (39, 520038), (54, 375583), (78, 260019), (117, 173346), (167, 121446), (173, 117234), (234, 86673), (334, 60723), (346, 58617), (351, 57782), (501, 40482), (519, 39078), (702, 28891), (1002, 20241), (1038, 19539), (1503, 13494), (1557, 13026), (2171, 9342), (2249, 9018), (3006, 6747), (3114, 6513), (4342, 4671), (4498, 4509)]