20793654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 30993354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 227, 454, 681, 727, 1362, 1454, 1589, 2043, 2181, 3178, 4086, 4362, 4767, 5089, 6543, 9534, 10178, 13086, 14301, 15267, 28602, 30534, 45801, 91602, 165029, 330058, 495087, 990174, 1155203, 1485261, 2310406, 2970522, 3465609, 6931218, 10396827, 20793654]

約数ペア:

[(1, 20793654), (2, 10396827), (3, 6931218), (6, 3465609), (7, 2970522), (9, 2310406), (14, 1485261), (18, 1155203), (21, 990174), (42, 495087), (63, 330058), (126, 165029), (227, 91602), (454, 45801), (681, 30534), (727, 28602), (1362, 15267), (1454, 14301), (1589, 13086), (2043, 10178), (2181, 9534), (3178, 6543), (4086, 5089), (4362, 4767)]