20573670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 33422874

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, 743, 923, 1065, 1486, 1846, 2130, 2229, 2769, 3715, 4458, 4615, 5538, 7430, 9230, 9659, 11145, 13845, 19318, 22290, 27690, 28977, 48295, 52753, 57954, 96590, 105506, 144885, 158259, 263765, 289770, 316518, 527530, 685789, 791295, 1371578, 1582590, 2057367, 3428945, 4114734, 6857890, 10286835, 20573670]

約数ペア:

[(1, 20573670), (2, 10286835), (3, 6857890), (5, 4114734), (6, 3428945), (10, 2057367), (13, 1582590), (15, 1371578), (26, 791295), (30, 685789), (39, 527530), (65, 316518), (71, 289770), (78, 263765), (130, 158259), (142, 144885), (195, 105506), (213, 96590), (355, 57954), (390, 52753), (426, 48295), (710, 28977), (743, 27690), (923, 22290), (1065, 19318), (1486, 13845), (1846, 11145), (2130, 9659), (2229, 9230), (2769, 7430), (3715, 5538), (4458, 4615)]