20783969284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{188801}}^1$

素因数の和:188920

約数の個数: 48

約数和(自身を含む): 41075763120

約数和(自身を除く): 20291793836

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 73, 116, 146, 292, 377, 754, 949, 1508, 1898, 2117, 3796, 4234, 8468, 27521, 55042, 110084, 188801, 377602, 755204, 2454413, 4908826, 5475229, 9817652, 10950458, 13782473, 21900916, 27564946, 55129892, 71177977, 142355954, 179172149, 284711908, 358344298, 399691717, 716688596, 799383434, 1598766868, 5195992321, 10391984642, 20783969284]

約数ペア:

[(1, 20783969284), (2, 10391984642), (4, 5195992321), (13, 1598766868), (26, 799383434), (29, 716688596), (52, 399691717), (58, 358344298), (73, 284711908), (116, 179172149), (146, 142355954), (292, 71177977), (377, 55129892), (754, 27564946), (949, 21900916), (1508, 13782473), (1898, 10950458), (2117, 9817652), (3796, 5475229), (4234, 4908826), (8468, 2454413), (27521, 755204), (55042, 377602), (110084, 188801)]