20795190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 54577152

約数和(自身を除く): 33781962

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 751, 923, 1065, 1502, 1846, 2130, 2253, 2769, 3755, 4506, 4615, 5538, 7510, 9230, 9763, 11265, 13845, 19526, 22530, 27690, 29289, 48815, 53321, 58578, 97630, 106642, 146445, 159963, 266605, 292890, 319926, 533210, 693173, 799815, 1386346, 1599630, 2079519, 3465865, 4159038, 6931730, 10397595, 20795190]

約数ペア:

[(1, 20795190), (2, 10397595), (3, 6931730), (5, 4159038), (6, 3465865), (10, 2079519), (13, 1599630), (15, 1386346), (26, 799815), (30, 693173), (39, 533210), (65, 319926), (71, 292890), (78, 266605), (130, 159963), (142, 146445), (195, 106642), (213, 97630), (355, 58578), (390, 53321), (426, 48815), (710, 29289), (751, 27690), (923, 22530), (1065, 19526), (1502, 13845), (1846, 11265), (2130, 9763), (2253, 9230), (2769, 7510), (3755, 5538), (4506, 4615)]