20211806440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4649}}^1\times {\mathrm{15527}}^1$

素因数の和:20194

約数の個数: 64

約数和(自身を含む): 51987744000

約数和(自身を除く): 31775937560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4649, 9298, 15527, 18596, 23245, 31054, 32543, 37192, 46490, 62108, 65086, 77635, 92980, 108689, 124216, 130172, 155270, 162715, 185960, 217378, 260344, 310540, 325430, 434756, 543445, 621080, 650860, 869512, 1086890, 1301720, 2173780, 4347560, 72185023, 144370046, 288740092, 360925115, 505295161, 577480184, 721850230, 1010590322, 1443700460, 2021180644, 2526475805, 2887400920, 4042361288, 5052951610, 10105903220, 20211806440]

約数ペア:

[(1, 20211806440), (2, 10105903220), (4, 5052951610), (5, 4042361288), (7, 2887400920), (8, 2526475805), (10, 2021180644), (14, 1443700460), (20, 1010590322), (28, 721850230), (35, 577480184), (40, 505295161), (56, 360925115), (70, 288740092), (140, 144370046), (280, 72185023), (4649, 4347560), (9298, 2173780), (15527, 1301720), (18596, 1086890), (23245, 869512), (31054, 650860), (32543, 621080), (37192, 543445), (46490, 434756), (62108, 325430), (65086, 310540), (77635, 260344), (92980, 217378), (108689, 185960), (124216, 162715), (130172, 155270)]