20189996172

素因数分解:

$2^2\times 3^6\times {\mathrm{53}}^1\times {\mathrm{130639}}^1$

素因数の和:130714

約数の個数: 84

約数和(自身を含む): 53974438560

約数和(自身を除く): 33784442388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 243, 318, 324, 477, 486, 636, 729, 954, 972, 1431, 1458, 1908, 2862, 2916, 4293, 5724, 8586, 12879, 17172, 25758, 38637, 51516, 77274, 130639, 154548, 261278, 391917, 522556, 783834, 1175751, 1567668, 2351502, 3527253, 4703004, 6923867, 7054506, 10581759, 13847734, 14109012, 20771601, 21163518, 27695468, 31745277, 41543202, 42327036, 62314803, 63490554, 83086404, 95235831, 124629606, 126981108, 186944409, 190471662, 249259212, 373888818, 380943324, 560833227, 747777636, 1121666454, 1682499681, 2243332908, 3364999362, 5047499043, 6729998724, 10094998086, 20189996172]

約数ペア:

[(1, 20189996172), (2, 10094998086), (3, 6729998724), (4, 5047499043), (6, 3364999362), (9, 2243332908), (12, 1682499681), (18, 1121666454), (27, 747777636), (36, 560833227), (53, 380943324), (54, 373888818), (81, 249259212), (106, 190471662), (108, 186944409), (159, 126981108), (162, 124629606), (212, 95235831), (243, 83086404), (318, 63490554), (324, 62314803), (477, 42327036), (486, 41543202), (636, 31745277), (729, 27695468), (954, 21163518), (972, 20771601), (1431, 14109012), (1458, 13847734), (1908, 10581759), (2862, 7054506), (2916, 6923867), (4293, 4703004), (5724, 3527253), (8586, 2351502), (12879, 1567668), (17172, 1175751), (25758, 783834), (38637, 522556), (51516, 391917), (77274, 261278), (130639, 154548)]