20017530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1933

約数の個数: 80

約数和(自身を含む): 57995784

約数和(自身を除く): 37978254

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 1901, 2106, 3510, 3802, 5265, 5703, 9505, 10530, 11406, 17109, 19010, 24713, 28515, 34218, 49426, 51327, 57030, 74139, 85545, 102654, 123565, 148278, 153981, 171090, 222417, 247130, 256635, 307962, 370695, 444834, 513270, 667251, 741390, 769905, 1112085, 1334502, 1539810, 2001753, 2224170, 3336255, 4003506, 6672510, 10008765, 20017530]

約数ペア:

[(1, 20017530), (2, 10008765), (3, 6672510), (5, 4003506), (6, 3336255), (9, 2224170), (10, 2001753), (13, 1539810), (15, 1334502), (18, 1112085), (26, 769905), (27, 741390), (30, 667251), (39, 513270), (45, 444834), (54, 370695), (65, 307962), (78, 256635), (81, 247130), (90, 222417), (117, 171090), (130, 153981), (135, 148278), (162, 123565), (195, 102654), (234, 85545), (270, 74139), (351, 57030), (390, 51327), (405, 49426), (585, 34218), (702, 28515), (810, 24713), (1053, 19010), (1170, 17109), (1755, 11406), (1901, 10530), (2106, 9505), (3510, 5703), (3802, 5265)]