20279640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9972

約数の個数: 64

約数和(自身を含む): 64424160

約数和(自身を除く): 44144520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9941, 19882, 29823, 39764, 49705, 59646, 79528, 99410, 119292, 149115, 168997, 198820, 238584, 298230, 337994, 397640, 506991, 596460, 675988, 844985, 1013982, 1192920, 1351976, 1689970, 2027964, 2534955, 3379940, 4055928, 5069910, 6759880, 10139820, 20279640]

約数ペア:

[(1, 20279640), (2, 10139820), (3, 6759880), (4, 5069910), (5, 4055928), (6, 3379940), (8, 2534955), (10, 2027964), (12, 1689970), (15, 1351976), (17, 1192920), (20, 1013982), (24, 844985), (30, 675988), (34, 596460), (40, 506991), (51, 397640), (60, 337994), (68, 298230), (85, 238584), (102, 198820), (120, 168997), (136, 149115), (170, 119292), (204, 99410), (255, 79528), (340, 59646), (408, 49705), (510, 39764), (680, 29823), (1020, 19882), (2040, 9941)]