20180248970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1\times {\mathrm{4211}}^1$

素因数の和:4755

約数の個数: 64

約数和(自身を含む): 41845579776

約数和(自身を除く): 21665330806

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 307, 446, 614, 1115, 1535, 1561, 2149, 2230, 3070, 3122, 4211, 4298, 7805, 8422, 10745, 15610, 21055, 21490, 29477, 42110, 58954, 68461, 136922, 147385, 294770, 342305, 479227, 684610, 939053, 958454, 1292777, 1878106, 2396135, 2585554, 4695265, 4792270, 6463885, 6573371, 9049439, 9390530, 12927770, 13146742, 18098878, 32866855, 45247195, 65733710, 90494390, 288289271, 576578542, 1441446355, 2018024897, 2882892710, 4036049794, 10090124485, 20180248970]

約数ペア:

[(1, 20180248970), (2, 10090124485), (5, 4036049794), (7, 2882892710), (10, 2018024897), (14, 1441446355), (35, 576578542), (70, 288289271), (223, 90494390), (307, 65733710), (446, 45247195), (614, 32866855), (1115, 18098878), (1535, 13146742), (1561, 12927770), (2149, 9390530), (2230, 9049439), (3070, 6573371), (3122, 6463885), (4211, 4792270), (4298, 4695265), (7805, 2585554), (8422, 2396135), (10745, 1878106), (15610, 1292777), (21055, 958454), (21490, 939053), (29477, 684610), (42110, 479227), (58954, 342305), (68461, 294770), (136922, 147385)]