20836534840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2785633}}^1$

素因数の和:2785672

約数の個数: 64

約数和(自身を含む): 54152724960

約数和(自身を除く): 33316190120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 2785633, 5571266, 11142532, 13928165, 22285064, 27856330, 30641963, 47355761, 55712660, 61283926, 94711522, 111425320, 122567852, 153209815, 189423044, 236778805, 245135704, 306419630, 378846088, 473557610, 520913371, 612839260, 947115220, 1041826742, 1225678520, 1894230440, 2083653484, 2604566855, 4167306968, 5209133710, 10418267420, 20836534840]

約数ペア:

[(1, 20836534840), (2, 10418267420), (4, 5209133710), (5, 4167306968), (8, 2604566855), (10, 2083653484), (11, 1894230440), (17, 1225678520), (20, 1041826742), (22, 947115220), (34, 612839260), (40, 520913371), (44, 473557610), (55, 378846088), (68, 306419630), (85, 245135704), (88, 236778805), (110, 189423044), (136, 153209815), (170, 122567852), (187, 111425320), (220, 94711522), (340, 61283926), (374, 55712660), (440, 47355761), (680, 30641963), (748, 27856330), (935, 22285064), (1496, 13928165), (1870, 11142532), (3740, 5571266), (7480, 2785633)]