20852132

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 44851968

約数和(自身を除く): 23999836

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 617, 994, 1207, 1234, 1988, 2414, 2468, 4319, 4828, 8449, 8638, 10489, 16898, 17276, 20978, 33796, 41956, 43807, 73423, 87614, 146846, 175228, 293692, 306649, 613298, 744719, 1226596, 1489438, 2978876, 5213033, 10426066, 20852132]

約数ペア:

[(1, 20852132), (2, 10426066), (4, 5213033), (7, 2978876), (14, 1489438), (17, 1226596), (28, 744719), (34, 613298), (68, 306649), (71, 293692), (119, 175228), (142, 146846), (238, 87614), (284, 73423), (476, 43807), (497, 41956), (617, 33796), (994, 20978), (1207, 17276), (1234, 16898), (1988, 10489), (2414, 8638), (2468, 8449), (4319, 4828)]