20585130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 32250198

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 181, 223, 255, 362, 446, 510, 543, 669, 905, 1086, 1115, 1338, 1810, 2230, 2715, 3077, 3345, 3791, 5430, 6154, 6690, 7582, 9231, 11373, 15385, 18462, 18955, 22746, 30770, 37910, 40363, 46155, 56865, 80726, 92310, 113730, 121089, 201815, 242178, 403630, 605445, 686171, 1210890, 1372342, 2058513, 3430855, 4117026, 6861710, 10292565, 20585130]

約数ペア:

[(1, 20585130), (2, 10292565), (3, 6861710), (5, 4117026), (6, 3430855), (10, 2058513), (15, 1372342), (17, 1210890), (30, 686171), (34, 605445), (51, 403630), (85, 242178), (102, 201815), (170, 121089), (181, 113730), (223, 92310), (255, 80726), (362, 56865), (446, 46155), (510, 40363), (543, 37910), (669, 30770), (905, 22746), (1086, 18955), (1115, 18462), (1338, 15385), (1810, 11373), (2230, 9231), (2715, 7582), (3077, 6690), (3345, 6154), (3791, 5430)]