20792142

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3511}}^1$

素因数の和:3573

約数の個数: 48

約数和(自身を含む): 52595712

約数和(自身を除く): 31803570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3511, 5922, 7022, 10533, 21066, 24577, 31599, 49154, 63198, 73731, 147462, 165017, 221193, 330034, 442386, 495051, 990102, 1155119, 1485153, 2310238, 2970306, 3465357, 6930714, 10396071, 20792142]

約数ペア:

[(1, 20792142), (2, 10396071), (3, 6930714), (6, 3465357), (7, 2970306), (9, 2310238), (14, 1485153), (18, 1155119), (21, 990102), (42, 495051), (47, 442386), (63, 330034), (94, 221193), (126, 165017), (141, 147462), (282, 73731), (329, 63198), (423, 49154), (658, 31599), (846, 24577), (987, 21066), (1974, 10533), (2961, 7022), (3511, 5922)]