20770428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5261}}^1$

素因数の和:5322

約数の個数: 48

約数和(自身を含む): 56577024

約数和(自身を除く): 35806596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5261, 10522, 15783, 21044, 31566, 36827, 63132, 73654, 110481, 147308, 220962, 247267, 441924, 494534, 741801, 989068, 1483602, 1730869, 2967204, 3461738, 5192607, 6923476, 10385214, 20770428]

約数ペア:

[(1, 20770428), (2, 10385214), (3, 6923476), (4, 5192607), (6, 3461738), (7, 2967204), (12, 1730869), (14, 1483602), (21, 989068), (28, 741801), (42, 494534), (47, 441924), (84, 247267), (94, 220962), (141, 147308), (188, 110481), (282, 73654), (329, 63132), (564, 36827), (658, 31566), (987, 21044), (1316, 15783), (1974, 10522), (3948, 5261)]