20937223825

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1\times {\mathrm{2707}}^1$

素因数の和:3146

約数の個数: 48

約数和(自身を含む): 29966078080

約数和(自身を除く): 9028854255

約数列:

[1, 5, 7, 25, 35, 175, 193, 229, 965, 1145, 1351, 1603, 2707, 4825, 5725, 6755, 8015, 13535, 18949, 33775, 40075, 44197, 67675, 94745, 220985, 309379, 473725, 522451, 619903, 1104925, 1546895, 2612255, 3099515, 3657157, 4339321, 7734475, 13061275, 15497575, 18285785, 21696605, 91428925, 108483025, 119641279, 598206395, 837488953, 2991031975, 4187444765, 20937223825]

約数ペア:

[(1, 20937223825), (5, 4187444765), (7, 2991031975), (25, 837488953), (35, 598206395), (175, 119641279), (193, 108483025), (229, 91428925), (965, 21696605), (1145, 18285785), (1351, 15497575), (1603, 13061275), (2707, 7734475), (4825, 4339321), (5725, 3657157), (6755, 3099515), (8015, 2612255), (13535, 1546895), (18949, 1104925), (33775, 619903), (40075, 522451), (44197, 473725), (67675, 309379), (94745, 220985)]