20174968947

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1\times {\mathrm{42083}}^1$

素因数の和:42747

約数の個数: 32

約数和(自身を含む): 31625620992

約数和(自身を除く): 11450652045

約数列:

[1, 3, 7, 21, 37, 111, 259, 617, 777, 1851, 4319, 12957, 22829, 42083, 68487, 126249, 159803, 294581, 479409, 883743, 1557071, 4671213, 10899497, 25965211, 32698491, 77895633, 181756477, 545269431, 960712807, 2882138421, 6724989649, 20174968947]

約数ペア:

[(1, 20174968947), (3, 6724989649), (7, 2882138421), (21, 960712807), (37, 545269431), (111, 181756477), (259, 77895633), (617, 32698491), (777, 25965211), (1851, 10899497), (4319, 4671213), (12957, 1557071), (22829, 883743), (42083, 479409), (68487, 294581), (126249, 159803)]