20838320404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{13751}}^1$

素因数の和:13909

約数の個数: 72

約数和(自身を含む): 41789357568

約数和(自身を除く): 20951037164

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 101, 121, 124, 202, 242, 341, 404, 484, 682, 1111, 1364, 2222, 3131, 3751, 4444, 6262, 7502, 12221, 12524, 13751, 15004, 24442, 27502, 34441, 48884, 55004, 68882, 137764, 151261, 302522, 378851, 426281, 605044, 757702, 852562, 1388851, 1515404, 1663871, 1705124, 2777702, 3327742, 4689091, 5555404, 6655484, 9378182, 15277361, 18756364, 30554722, 43054381, 51580001, 61109444, 86108762, 103160002, 168050971, 172217524, 206320004, 336101942, 473598191, 672203884, 947196382, 1894392764, 5209580101, 10419160202, 20838320404]

約数ペア:

[(1, 20838320404), (2, 10419160202), (4, 5209580101), (11, 1894392764), (22, 947196382), (31, 672203884), (44, 473598191), (62, 336101942), (101, 206320004), (121, 172217524), (124, 168050971), (202, 103160002), (242, 86108762), (341, 61109444), (404, 51580001), (484, 43054381), (682, 30554722), (1111, 18756364), (1364, 15277361), (2222, 9378182), (3131, 6655484), (3751, 5555404), (4444, 4689091), (6262, 3327742), (7502, 2777702), (12221, 1705124), (12524, 1663871), (13751, 1515404), (15004, 1388851), (24442, 852562), (27502, 757702), (34441, 605044), (48884, 426281), (55004, 378851), (68882, 302522), (137764, 151261)]