20888955906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{60631}}^1$

素因数の和:61287

約数の個数: 64

約数和(自身を含む): 51501305856

約数和(自身を除く): 30612349950

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 631, 1262, 1893, 3786, 4417, 8203, 8834, 13251, 16406, 24609, 26502, 49218, 57421, 60631, 114842, 121262, 172263, 181893, 344526, 363786, 424417, 788203, 848834, 1273251, 1576406, 2364609, 2546502, 4729218, 5517421, 11034842, 16552263, 33104526, 38258161, 76516322, 114774483, 229548966, 267807127, 497356093, 535614254, 803421381, 994712186, 1492068279, 1606842762, 2984136558, 3481492651, 6962985302, 10444477953, 20888955906]

約数ペア:

[(1, 20888955906), (2, 10444477953), (3, 6962985302), (6, 3481492651), (7, 2984136558), (13, 1606842762), (14, 1492068279), (21, 994712186), (26, 803421381), (39, 535614254), (42, 497356093), (78, 267807127), (91, 229548966), (182, 114774483), (273, 76516322), (546, 38258161), (631, 33104526), (1262, 16552263), (1893, 11034842), (3786, 5517421), (4417, 4729218), (8203, 2546502), (8834, 2364609), (13251, 1576406), (16406, 1273251), (24609, 848834), (26502, 788203), (49218, 424417), (57421, 363786), (60631, 344526), (114842, 181893), (121262, 172263)]