20577490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1698

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18613550

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1619, 2542, 3238, 6355, 8095, 12710, 16190, 50189, 66379, 100378, 132758, 250945, 331895, 501890, 663790, 2057749, 4115498, 10288745, 20577490]

約数ペア:

[(1, 20577490), (2, 10288745), (5, 4115498), (10, 2057749), (31, 663790), (41, 501890), (62, 331895), (82, 250945), (155, 132758), (205, 100378), (310, 66379), (410, 50189), (1271, 16190), (1619, 12710), (2542, 8095), (3238, 6355)]