20801676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2119

約数の個数: 72

約数和(自身を含む): 59811696

約数和(自身を除く): 39010020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2081, 2499, 3332, 4162, 4998, 6243, 8324, 9996, 12486, 14567, 24972, 29134, 35377, 43701, 58268, 70754, 87402, 101969, 106131, 141508, 174804, 203938, 212262, 247639, 305907, 407876, 424524, 495278, 611814, 742917, 990556, 1223628, 1485834, 1733473, 2971668, 3466946, 5200419, 6933892, 10400838, 20801676]

約数ペア:

[(1, 20801676), (2, 10400838), (3, 6933892), (4, 5200419), (6, 3466946), (7, 2971668), (12, 1733473), (14, 1485834), (17, 1223628), (21, 990556), (28, 742917), (34, 611814), (42, 495278), (49, 424524), (51, 407876), (68, 305907), (84, 247639), (98, 212262), (102, 203938), (119, 174804), (147, 141508), (196, 106131), (204, 101969), (238, 87402), (294, 70754), (357, 58268), (476, 43701), (588, 35377), (714, 29134), (833, 24972), (1428, 14567), (1666, 12486), (2081, 9996), (2499, 8324), (3332, 6243), (4162, 4998)]