20914998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15773}}^1$

素因数の和:15808

約数の個数: 32

約数和(自身を含む): 47700576

約数和(自身を除く): 26785578

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15773, 31546, 47319, 94638, 205049, 268141, 410098, 536282, 615147, 804423, 1230294, 1608846, 3485833, 6971666, 10457499, 20914998]

約数ペア:

[(1, 20914998), (2, 10457499), (3, 6971666), (6, 3485833), (13, 1608846), (17, 1230294), (26, 804423), (34, 615147), (39, 536282), (51, 410098), (78, 268141), (102, 205049), (221, 94638), (442, 47319), (663, 31546), (1326, 15773)]