20359560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 68060160

約数和(自身を除く): 47700600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 421, 465, 520, 620, 744, 780, 806, 842, 930, 1209, 1240, 1263, 1560, 1612, 1684, 1860, 2015, 2105, 2418, 2526, 3224, 3368, 3720, 4030, 4210, 4836, 5052, 5473, 6045, 6315, 8060, 8420, 9672, 10104, 10946, 12090, 12630, 13051, 16120, 16419, 16840, 21892, 24180, 25260, 26102, 27365, 32838, 39153, 43784, 48360, 50520, 52204, 54730, 65255, 65676, 78306, 82095, 104408, 109460, 130510, 131352, 156612, 164190, 169663, 195765, 218920, 261020, 313224, 328380, 339326, 391530, 508989, 522040, 656760, 678652, 783060, 848315, 1017978, 1357304, 1566120, 1696630, 2035956, 2544945, 3393260, 4071912, 5089890, 6786520, 10179780, 20359560]

約数ペア:

[(1, 20359560), (2, 10179780), (3, 6786520), (4, 5089890), (5, 4071912), (6, 3393260), (8, 2544945), (10, 2035956), (12, 1696630), (13, 1566120), (15, 1357304), (20, 1017978), (24, 848315), (26, 783060), (30, 678652), (31, 656760), (39, 522040), (40, 508989), (52, 391530), (60, 339326), (62, 328380), (65, 313224), (78, 261020), (93, 218920), (104, 195765), (120, 169663), (124, 164190), (130, 156612), (155, 131352), (156, 130510), (186, 109460), (195, 104408), (248, 82095), (260, 78306), (310, 65676), (312, 65255), (372, 54730), (390, 52204), (403, 50520), (421, 48360), (465, 43784), (520, 39153), (620, 32838), (744, 27365), (780, 26102), (806, 25260), (842, 24180), (930, 21892), (1209, 16840), (1240, 16419), (1263, 16120), (1560, 13051), (1612, 12630), (1684, 12090), (1860, 10946), (2015, 10104), (2105, 9672), (2418, 8420), (2526, 8060), (3224, 6315), (3368, 6045), (3720, 5473), (4030, 5052), (4210, 4836)]