20764020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1277}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 58399488

約数和(自身を除く): 37635468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1277, 1355, 1626, 2554, 2710, 3252, 3831, 4065, 5108, 5420, 6385, 7662, 8130, 12770, 15324, 16260, 19155, 25540, 38310, 76620, 346067, 692134, 1038201, 1384268, 1730335, 2076402, 3460670, 4152804, 5191005, 6921340, 10382010, 20764020]

約数ペア:

[(1, 20764020), (2, 10382010), (3, 6921340), (4, 5191005), (5, 4152804), (6, 3460670), (10, 2076402), (12, 1730335), (15, 1384268), (20, 1038201), (30, 692134), (60, 346067), (271, 76620), (542, 38310), (813, 25540), (1084, 19155), (1277, 16260), (1355, 15324), (1626, 12770), (2554, 8130), (2710, 7662), (3252, 6385), (3831, 5420), (4065, 5108)]