20370840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24251}}^1$

素因数の和:24272

約数の個数: 64

約数和(自身を含む): 69845760

約数和(自身を除く): 49474920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24251, 48502, 72753, 97004, 121255, 145506, 169757, 194008, 242510, 291012, 339514, 363765, 485020, 509271, 582024, 679028, 727530, 848785, 970040, 1018542, 1358056, 1455060, 1697570, 2037084, 2546355, 2910120, 3395140, 4074168, 5092710, 6790280, 10185420, 20370840]

約数ペア:

[(1, 20370840), (2, 10185420), (3, 6790280), (4, 5092710), (5, 4074168), (6, 3395140), (7, 2910120), (8, 2546355), (10, 2037084), (12, 1697570), (14, 1455060), (15, 1358056), (20, 1018542), (21, 970040), (24, 848785), (28, 727530), (30, 679028), (35, 582024), (40, 509271), (42, 485020), (56, 363765), (60, 339514), (70, 291012), (84, 242510), (105, 194008), (120, 169757), (140, 145506), (168, 121255), (210, 97004), (280, 72753), (420, 48502), (840, 24251)]