20805340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 47093760

約数和(自身を除く): 26288420

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 1459, 2852, 2918, 3565, 5836, 7130, 7295, 14260, 14590, 29180, 33557, 45229, 67114, 90458, 134228, 167785, 180916, 226145, 335570, 452290, 671140, 904580, 1040267, 2080534, 4161068, 5201335, 10402670, 20805340]

約数ペア:

[(1, 20805340), (2, 10402670), (4, 5201335), (5, 4161068), (10, 2080534), (20, 1040267), (23, 904580), (31, 671140), (46, 452290), (62, 335570), (92, 226145), (115, 180916), (124, 167785), (155, 134228), (230, 90458), (310, 67114), (460, 45229), (620, 33557), (713, 29180), (1426, 14590), (1459, 14260), (2852, 7295), (2918, 7130), (3565, 5836)]