20147526

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 51858144

約数和(自身を除く): 31710618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 53, 63, 98, 106, 126, 147, 159, 294, 318, 371, 431, 441, 477, 742, 862, 882, 954, 1113, 1293, 2226, 2586, 2597, 3017, 3339, 3879, 5194, 6034, 6678, 7758, 7791, 9051, 15582, 18102, 21119, 22843, 23373, 27153, 42238, 45686, 46746, 54306, 63357, 68529, 126714, 137058, 159901, 190071, 205587, 319802, 380142, 411174, 479703, 959406, 1119307, 1439109, 2238614, 2878218, 3357921, 6715842, 10073763, 20147526]

約数ペア:

[(1, 20147526), (2, 10073763), (3, 6715842), (6, 3357921), (7, 2878218), (9, 2238614), (14, 1439109), (18, 1119307), (21, 959406), (42, 479703), (49, 411174), (53, 380142), (63, 319802), (98, 205587), (106, 190071), (126, 159901), (147, 137058), (159, 126714), (294, 68529), (318, 63357), (371, 54306), (431, 46746), (441, 45686), (477, 42238), (742, 27153), (862, 23373), (882, 22843), (954, 21119), (1113, 18102), (1293, 15582), (2226, 9051), (2586, 7791), (2597, 7758), (3017, 6678), (3339, 6034), (3879, 5194)]