20045454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 27951474

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 61, 66, 78, 122, 143, 183, 286, 366, 383, 429, 671, 766, 793, 858, 1149, 1342, 1586, 2013, 2298, 2379, 4026, 4213, 4758, 4979, 8426, 8723, 9958, 12639, 14937, 17446, 23363, 25278, 26169, 29874, 46726, 52338, 54769, 70089, 109538, 140178, 164307, 256993, 303719, 328614, 513986, 607438, 770979, 911157, 1541958, 1822314, 3340909, 6681818, 10022727, 20045454]

約数ペア:

[(1, 20045454), (2, 10022727), (3, 6681818), (6, 3340909), (11, 1822314), (13, 1541958), (22, 911157), (26, 770979), (33, 607438), (39, 513986), (61, 328614), (66, 303719), (78, 256993), (122, 164307), (143, 140178), (183, 109538), (286, 70089), (366, 54769), (383, 52338), (429, 46726), (671, 29874), (766, 26169), (793, 25278), (858, 23363), (1149, 17446), (1342, 14937), (1586, 12639), (2013, 9958), (2298, 8723), (2379, 8426), (4026, 4979), (4213, 4758)]