20804927658

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1\times {\mathrm{2647}}^1$

素因数の和:3227

約数の個数: 64

約数和(自身を含む): 44393868288

約数和(自身を除く): 23588940630

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 251, 307, 502, 614, 753, 921, 1506, 1842, 2647, 4267, 5219, 5294, 7941, 8534, 10438, 12801, 15657, 15882, 25602, 31314, 44999, 77057, 89998, 134997, 154114, 231171, 269994, 462342, 664397, 812629, 1309969, 1328794, 1625258, 1993191, 2437887, 2619938, 3929907, 3986382, 4875774, 7859814, 11294749, 13814693, 22589498, 27629386, 33884247, 41444079, 67768494, 82888158, 203969879, 407939758, 611909637, 1223819274, 3467487943, 6934975886, 10402463829, 20804927658]

約数ペア:

[(1, 20804927658), (2, 10402463829), (3, 6934975886), (6, 3467487943), (17, 1223819274), (34, 611909637), (51, 407939758), (102, 203969879), (251, 82888158), (307, 67768494), (502, 41444079), (614, 33884247), (753, 27629386), (921, 22589498), (1506, 13814693), (1842, 11294749), (2647, 7859814), (4267, 4875774), (5219, 3986382), (5294, 3929907), (7941, 2619938), (8534, 2437887), (10438, 1993191), (12801, 1625258), (15657, 1328794), (15882, 1309969), (25602, 812629), (31314, 664397), (44999, 462342), (77057, 269994), (89998, 231171), (134997, 154114)]