20184748740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8625961}}^1$

素因数の和:8625989

約数の個数: 72

約数和(自身を含む): 65936853528

約数和(自身を除く): 45752104788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8625961, 17251922, 25877883, 34503844, 43129805, 51755766, 77633649, 86259610, 103511532, 112137493, 129389415, 155267298, 172519220, 224274986, 258778830, 310534596, 336412479, 388168245, 448549972, 517557660, 560687465, 672824958, 776336490, 1009237437, 1121374930, 1345649916, 1552672980, 1682062395, 2018474874, 2242749860, 3364124790, 4036949748, 5046187185, 6728249580, 10092374370, 20184748740]

約数ペア:

[(1, 20184748740), (2, 10092374370), (3, 6728249580), (4, 5046187185), (5, 4036949748), (6, 3364124790), (9, 2242749860), (10, 2018474874), (12, 1682062395), (13, 1552672980), (15, 1345649916), (18, 1121374930), (20, 1009237437), (26, 776336490), (30, 672824958), (36, 560687465), (39, 517557660), (45, 448549972), (52, 388168245), (60, 336412479), (65, 310534596), (78, 258778830), (90, 224274986), (117, 172519220), (130, 155267298), (156, 129389415), (180, 112137493), (195, 103511532), (234, 86259610), (260, 77633649), (390, 51755766), (468, 43129805), (585, 34503844), (780, 25877883), (1170, 17251922), (2340, 8625961)]