20391924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 57802752

約数和(自身を除く): 37410828

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 41, 42, 62, 82, 84, 93, 123, 124, 164, 186, 191, 217, 246, 287, 372, 382, 434, 492, 573, 574, 651, 764, 861, 868, 1146, 1148, 1271, 1302, 1337, 1722, 2292, 2542, 2604, 2674, 3444, 3813, 4011, 5084, 5348, 5921, 7626, 7831, 8022, 8897, 11842, 15252, 15662, 16044, 17763, 17794, 23493, 23684, 26691, 31324, 35526, 35588, 41447, 46986, 53382, 54817, 71052, 82894, 93972, 106764, 109634, 124341, 164451, 165788, 219268, 242761, 248682, 328902, 485522, 497364, 657804, 728283, 971044, 1456566, 1699327, 2913132, 3398654, 5097981, 6797308, 10195962, 20391924]

約数ペア:

[(1, 20391924), (2, 10195962), (3, 6797308), (4, 5097981), (6, 3398654), (7, 2913132), (12, 1699327), (14, 1456566), (21, 971044), (28, 728283), (31, 657804), (41, 497364), (42, 485522), (62, 328902), (82, 248682), (84, 242761), (93, 219268), (123, 165788), (124, 164451), (164, 124341), (186, 109634), (191, 106764), (217, 93972), (246, 82894), (287, 71052), (372, 54817), (382, 53382), (434, 46986), (492, 41447), (573, 35588), (574, 35526), (651, 31324), (764, 26691), (861, 23684), (868, 23493), (1146, 17794), (1148, 17763), (1271, 16044), (1302, 15662), (1337, 15252), (1722, 11842), (2292, 8897), (2542, 8022), (2604, 7831), (2674, 7626), (3444, 5921), (3813, 5348), (4011, 5084)]