20280932

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 43400448

約数和(自身を除く): 23119516

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 137, 238, 274, 311, 476, 548, 622, 959, 1244, 1918, 2177, 2329, 3836, 4354, 4658, 5287, 8708, 9316, 10574, 16303, 21148, 32606, 37009, 42607, 65212, 74018, 85214, 148036, 170428, 298249, 596498, 724319, 1192996, 1448638, 2897276, 5070233, 10140466, 20280932]

約数ペア:

[(1, 20280932), (2, 10140466), (4, 5070233), (7, 2897276), (14, 1448638), (17, 1192996), (28, 724319), (34, 596498), (68, 298249), (119, 170428), (137, 148036), (238, 85214), (274, 74018), (311, 65212), (476, 42607), (548, 37009), (622, 32606), (959, 21148), (1244, 16303), (1918, 10574), (2177, 9316), (2329, 8708), (3836, 5287), (4354, 4658)]