20173975876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{7621}}^1$

素因数の和:8276

約数の個数: 48

約数和(自身を含む): 37842925120

約数和(自身を除く): 17668949244

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 571, 1142, 1159, 2284, 2318, 4636, 7621, 10849, 15242, 21698, 30484, 34831, 43396, 69662, 139324, 144799, 289598, 464881, 579196, 661789, 929762, 1323578, 1859524, 2647156, 4351591, 8703182, 8832739, 17406364, 17665478, 35330956, 82680229, 165360458, 265447051, 330720916, 530894102, 1061788204, 5043493969, 10086987938, 20173975876]

約数ペア:

[(1, 20173975876), (2, 10086987938), (4, 5043493969), (19, 1061788204), (38, 530894102), (61, 330720916), (76, 265447051), (122, 165360458), (244, 82680229), (571, 35330956), (1142, 17665478), (1159, 17406364), (2284, 8832739), (2318, 8703182), (4636, 4351591), (7621, 2647156), (10849, 1859524), (15242, 1323578), (21698, 929762), (30484, 661789), (34831, 579196), (43396, 464881), (69662, 289598), (139324, 144799)]