20568210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2293}}^1$

素因数の和:2339

約数の個数: 64

約数和(自身を含む): 55496448

約数和(自身を除く): 34928238

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2293, 2990, 4485, 4586, 6879, 8970, 11465, 13758, 22930, 29809, 34395, 52739, 59618, 68790, 89427, 105478, 149045, 158217, 178854, 263695, 298090, 316434, 447135, 527390, 685607, 791085, 894270, 1371214, 1582170, 2056821, 3428035, 4113642, 6856070, 10284105, 20568210]

約数ペア:

[(1, 20568210), (2, 10284105), (3, 6856070), (5, 4113642), (6, 3428035), (10, 2056821), (13, 1582170), (15, 1371214), (23, 894270), (26, 791085), (30, 685607), (39, 527390), (46, 447135), (65, 316434), (69, 298090), (78, 263695), (115, 178854), (130, 158217), (138, 149045), (195, 105478), (230, 89427), (299, 68790), (345, 59618), (390, 52739), (598, 34395), (690, 29809), (897, 22930), (1495, 13758), (1794, 11465), (2293, 8970), (2990, 6879), (4485, 4586)]