20747650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 51103872

約数和(自身を除く): 30356222

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 154, 170, 175, 187, 238, 275, 317, 350, 374, 385, 425, 550, 595, 634, 770, 850, 935, 1190, 1309, 1585, 1870, 1925, 2219, 2618, 2975, 3170, 3487, 3850, 4438, 4675, 5389, 5950, 6545, 6974, 7925, 9350, 10778, 11095, 13090, 15850, 17435, 22190, 24409, 26945, 32725, 34870, 37723, 48818, 53890, 55475, 59279, 65450, 75446, 87175, 110950, 118558, 122045, 134725, 174350, 188615, 244090, 269450, 296395, 377230, 414953, 592790, 610225, 829906, 943075, 1220450, 1481975, 1886150, 2074765, 2963950, 4149530, 10373825, 20747650]

約数ペア:

[(1, 20747650), (2, 10373825), (5, 4149530), (7, 2963950), (10, 2074765), (11, 1886150), (14, 1481975), (17, 1220450), (22, 943075), (25, 829906), (34, 610225), (35, 592790), (50, 414953), (55, 377230), (70, 296395), (77, 269450), (85, 244090), (110, 188615), (119, 174350), (154, 134725), (170, 122045), (175, 118558), (187, 110950), (238, 87175), (275, 75446), (317, 65450), (350, 59279), (374, 55475), (385, 53890), (425, 48818), (550, 37723), (595, 34870), (634, 32725), (770, 26945), (850, 24409), (935, 22190), (1190, 17435), (1309, 15850), (1585, 13090), (1870, 11095), (1925, 10778), (2219, 9350), (2618, 7925), (2975, 6974), (3170, 6545), (3487, 5950), (3850, 5389), (4438, 4675)]