20924432

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 41997312

約数和(自身を除く): 21072880

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 167, 191, 328, 334, 382, 656, 668, 764, 1336, 1528, 2672, 3056, 6847, 7831, 13694, 15662, 27388, 31324, 31897, 54776, 62648, 63794, 109552, 125296, 127588, 255176, 510352, 1307777, 2615554, 5231108, 10462216, 20924432]

約数ペア:

[(1, 20924432), (2, 10462216), (4, 5231108), (8, 2615554), (16, 1307777), (41, 510352), (82, 255176), (164, 127588), (167, 125296), (191, 109552), (328, 63794), (334, 62648), (382, 54776), (656, 31897), (668, 31324), (764, 27388), (1336, 15662), (1528, 13694), (2672, 7831), (3056, 6847)]