20512483155

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{219467}}^1$

素因数の和:219576

約数の個数: 48

約数和(自身を含む): 37249864704

約数和(自身を除く): 16737381549

約数列:

[1, 3, 5, 9, 15, 31, 45, 67, 93, 155, 201, 279, 335, 465, 603, 1005, 1395, 2077, 3015, 6231, 10385, 18693, 31155, 93465, 219467, 658401, 1097335, 1975203, 3292005, 6803477, 9876015, 14704289, 20410431, 34017385, 44112867, 61231293, 73521445, 102052155, 132338601, 220564335, 306156465, 455832959, 661693005, 1367498877, 2279164795, 4102496631, 6837494385, 20512483155]

約数ペア:

[(1, 20512483155), (3, 6837494385), (5, 4102496631), (9, 2279164795), (15, 1367498877), (31, 661693005), (45, 455832959), (67, 306156465), (93, 220564335), (155, 132338601), (201, 102052155), (279, 73521445), (335, 61231293), (465, 44112867), (603, 34017385), (1005, 20410431), (1395, 14704289), (2077, 9876015), (3015, 6803477), (6231, 3292005), (10385, 1975203), (18693, 1097335), (31155, 658401), (93465, 219467)]