20883786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2699

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34273974

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2659, 3927, 5318, 7854, 7977, 15954, 18613, 29249, 37226, 45203, 55839, 58498, 87747, 90406, 111678, 135609, 175494, 204743, 271218, 316421, 409486, 497233, 614229, 632842, 949263, 994466, 1228458, 1491699, 1898526, 2983398, 3480631, 6961262, 10441893, 20883786]

約数ペア:

[(1, 20883786), (2, 10441893), (3, 6961262), (6, 3480631), (7, 2983398), (11, 1898526), (14, 1491699), (17, 1228458), (21, 994466), (22, 949263), (33, 632842), (34, 614229), (42, 497233), (51, 409486), (66, 316421), (77, 271218), (102, 204743), (119, 175494), (154, 135609), (187, 111678), (231, 90406), (238, 87747), (357, 58498), (374, 55839), (462, 45203), (561, 37226), (714, 29249), (1122, 18613), (1309, 15954), (2618, 7977), (2659, 7854), (3927, 5318)]