20166012710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 38474092800

約数和(自身を除く): 18308080090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 571, 691, 1142, 1345, 1382, 2690, 2855, 3455, 5111, 5710, 6910, 10222, 10849, 13129, 21698, 25555, 26258, 51110, 54245, 65645, 108490, 131290, 153599, 185879, 307198, 371758, 394561, 767995, 789122, 929395, 1535990, 1858790, 1972805, 2918381, 3531701, 3945610, 5836762, 7063402, 7496659, 14591905, 14993318, 17658505, 29183810, 35317010, 37483295, 74966590, 106136909, 212273818, 530684545, 1061369090, 2016601271, 4033202542, 10083006355, 20166012710]

約数ペア:

[(1, 20166012710), (2, 10083006355), (5, 4033202542), (10, 2016601271), (19, 1061369090), (38, 530684545), (95, 212273818), (190, 106136909), (269, 74966590), (538, 37483295), (571, 35317010), (691, 29183810), (1142, 17658505), (1345, 14993318), (1382, 14591905), (2690, 7496659), (2855, 7063402), (3455, 5836762), (5111, 3945610), (5710, 3531701), (6910, 2918381), (10222, 1972805), (10849, 1858790), (13129, 1535990), (21698, 929395), (25555, 789122), (26258, 767995), (51110, 394561), (54245, 371758), (65645, 307198), (108490, 185879), (131290, 153599)]