20667654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 52035360

約数和(自身を除く): 31367706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2689, 3843, 5378, 7686, 8067, 16134, 18823, 24201, 37646, 48402, 56469, 112938, 164029, 169407, 328058, 338814, 492087, 984174, 1148203, 1476261, 2296406, 2952522, 3444609, 6889218, 10333827, 20667654]

約数ペア:

[(1, 20667654), (2, 10333827), (3, 6889218), (6, 3444609), (7, 2952522), (9, 2296406), (14, 1476261), (18, 1148203), (21, 984174), (42, 492087), (61, 338814), (63, 328058), (122, 169407), (126, 164029), (183, 112938), (366, 56469), (427, 48402), (549, 37646), (854, 24201), (1098, 18823), (1281, 16134), (2562, 8067), (2689, 7686), (3843, 5378)]