20670565545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{163643}}^1$

素因数の和:164062

約数の個数: 48

約数和(自身を含む): 41049770112

約数和(自身を除く): 20379204567

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 401, 1203, 2005, 2807, 3609, 6015, 8421, 14035, 18045, 25263, 42105, 126315, 163643, 490929, 818215, 1145501, 1472787, 2454645, 3436503, 5727505, 7363935, 10309509, 17182515, 51547545, 65620843, 196862529, 328104215, 459345901, 590587587, 984312645, 1378037703, 2296729505, 2952937935, 4134113109, 6890188515, 20670565545]

約数ペア:

[(1, 20670565545), (3, 6890188515), (5, 4134113109), (7, 2952937935), (9, 2296729505), (15, 1378037703), (21, 984312645), (35, 590587587), (45, 459345901), (63, 328104215), (105, 196862529), (315, 65620843), (401, 51547545), (1203, 17182515), (2005, 10309509), (2807, 7363935), (3609, 5727505), (6015, 3436503), (8421, 2454645), (14035, 1472787), (18045, 1145501), (25263, 818215), (42105, 490929), (126315, 163643)]