20271654

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29080026

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 67, 78, 117, 134, 201, 234, 351, 402, 431, 603, 702, 862, 871, 1206, 1293, 1742, 1809, 2586, 2613, 3618, 3879, 5226, 5603, 7758, 7839, 11206, 11637, 15678, 16809, 23274, 23517, 28877, 33618, 47034, 50427, 57754, 86631, 100854, 151281, 173262, 259893, 302562, 375401, 519786, 750802, 779679, 1126203, 1559358, 2252406, 3378609, 6757218, 10135827, 20271654]

約数ペア:

[(1, 20271654), (2, 10135827), (3, 6757218), (6, 3378609), (9, 2252406), (13, 1559358), (18, 1126203), (26, 779679), (27, 750802), (39, 519786), (54, 375401), (67, 302562), (78, 259893), (117, 173262), (134, 151281), (201, 100854), (234, 86631), (351, 57754), (402, 50427), (431, 47034), (603, 33618), (702, 28877), (862, 23517), (871, 23274), (1206, 16809), (1293, 15678), (1742, 11637), (1809, 11206), (2586, 7839), (2613, 7758), (3618, 5603), (3879, 5226)]