20657181960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{507797}}^1$

素因数の和:507927

約数の個数: 96

約数和(自身を含む): 67730097240

約数和(自身を除く): 47072915280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 565, 678, 904, 1017, 1130, 1356, 1695, 2034, 2260, 2712, 3390, 4068, 4520, 5085, 6780, 8136, 10170, 13560, 20340, 40680, 507797, 1015594, 1523391, 2031188, 2538985, 3046782, 4062376, 4570173, 5077970, 6093564, 7616955, 9140346, 10155940, 12187128, 15233910, 18280692, 20311880, 22850865, 30467820, 36561384, 45701730, 57381061, 60935640, 91403460, 114762122, 172143183, 182806920, 229524244, 286905305, 344286366, 459048488, 516429549, 573810610, 688572732, 860715915, 1032859098, 1147621220, 1377145464, 1721431830, 2065718196, 2295242440, 2582147745, 3442863660, 4131436392, 5164295490, 6885727320, 10328590980, 20657181960]

約数ペア:

[(1, 20657181960), (2, 10328590980), (3, 6885727320), (4, 5164295490), (5, 4131436392), (6, 3442863660), (8, 2582147745), (9, 2295242440), (10, 2065718196), (12, 1721431830), (15, 1377145464), (18, 1147621220), (20, 1032859098), (24, 860715915), (30, 688572732), (36, 573810610), (40, 516429549), (45, 459048488), (60, 344286366), (72, 286905305), (90, 229524244), (113, 182806920), (120, 172143183), (180, 114762122), (226, 91403460), (339, 60935640), (360, 57381061), (452, 45701730), (565, 36561384), (678, 30467820), (904, 22850865), (1017, 20311880), (1130, 18280692), (1356, 15233910), (1695, 12187128), (2034, 10155940), (2260, 9140346), (2712, 7616955), (3390, 6093564), (4068, 5077970), (4520, 4570173), (5085, 4062376), (6780, 3046782), (8136, 2538985), (10170, 2031188), (13560, 1523391), (20340, 1015594), (40680, 507797)]