20253480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12983}}^1$

素因数の和:13010

約数の個数: 64

約数和(自身を含む): 65439360

約数和(自身を除く): 45185880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12983, 25966, 38949, 51932, 64915, 77898, 103864, 129830, 155796, 168779, 194745, 259660, 311592, 337558, 389490, 506337, 519320, 675116, 778980, 843895, 1012674, 1350232, 1557960, 1687790, 2025348, 2531685, 3375580, 4050696, 5063370, 6751160, 10126740, 20253480]

約数ペア:

[(1, 20253480), (2, 10126740), (3, 6751160), (4, 5063370), (5, 4050696), (6, 3375580), (8, 2531685), (10, 2025348), (12, 1687790), (13, 1557960), (15, 1350232), (20, 1012674), (24, 843895), (26, 778980), (30, 675116), (39, 519320), (40, 506337), (52, 389490), (60, 337558), (65, 311592), (78, 259660), (104, 194745), (120, 168779), (130, 155796), (156, 129830), (195, 103864), (260, 77898), (312, 64915), (390, 51932), (520, 38949), (780, 25966), (1560, 12983)]