20162830660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{953}}^1\times {\mathrm{21589}}^1$

素因数の和:22565

約数の個数: 72

約数和(自身を含む): 49308882840

約数和(自身を除く): 29146052180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 953, 980, 1906, 3812, 4765, 6671, 9530, 13342, 19060, 21589, 26684, 33355, 43178, 46697, 66710, 86356, 93394, 107945, 133420, 151123, 186788, 215890, 233485, 302246, 431780, 466970, 604492, 755615, 933940, 1057861, 1511230, 2115722, 3022460, 4231444, 5289305, 10578610, 20574317, 21157220, 41148634, 82297268, 102871585, 144020219, 205743170, 288040438, 411486340, 576080876, 720101095, 1008141533, 1440202190, 2016283066, 2880404380, 4032566132, 5040707665, 10081415330, 20162830660]

約数ペア:

[(1, 20162830660), (2, 10081415330), (4, 5040707665), (5, 4032566132), (7, 2880404380), (10, 2016283066), (14, 1440202190), (20, 1008141533), (28, 720101095), (35, 576080876), (49, 411486340), (70, 288040438), (98, 205743170), (140, 144020219), (196, 102871585), (245, 82297268), (490, 41148634), (953, 21157220), (980, 20574317), (1906, 10578610), (3812, 5289305), (4765, 4231444), (6671, 3022460), (9530, 2115722), (13342, 1511230), (19060, 1057861), (21589, 933940), (26684, 755615), (33355, 604492), (43178, 466970), (46697, 431780), (66710, 302246), (86356, 233485), (93394, 215890), (107945, 186788), (133420, 151123)]