20201208650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{28559}}^1$

素因数の和:28668

約数の個数: 96

約数和(自身を含む): 44877127680

約数和(自身を除く): 24675919030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 47, 50, 70, 86, 94, 175, 215, 235, 301, 329, 350, 430, 470, 602, 658, 1075, 1175, 1505, 1645, 2021, 2150, 2350, 3010, 3290, 4042, 7525, 8225, 10105, 14147, 15050, 16450, 20210, 28294, 28559, 50525, 57118, 70735, 101050, 141470, 142795, 199913, 285590, 353675, 399826, 707350, 713975, 999565, 1228037, 1342273, 1427950, 1999130, 2456074, 2684546, 4997825, 6140185, 6711365, 8596259, 9395911, 9995650, 12280370, 13422730, 17192518, 18791822, 30700925, 33556825, 42981295, 46979555, 57717739, 61401850, 67113650, 85962590, 93959110, 115435478, 214906475, 234897775, 288588695, 404024173, 429812950, 469795550, 577177390, 808048346, 1442943475, 2020120865, 2885886950, 4040241730, 10100604325, 20201208650]

約数ペア:

[(1, 20201208650), (2, 10100604325), (5, 4040241730), (7, 2885886950), (10, 2020120865), (14, 1442943475), (25, 808048346), (35, 577177390), (43, 469795550), (47, 429812950), (50, 404024173), (70, 288588695), (86, 234897775), (94, 214906475), (175, 115435478), (215, 93959110), (235, 85962590), (301, 67113650), (329, 61401850), (350, 57717739), (430, 46979555), (470, 42981295), (602, 33556825), (658, 30700925), (1075, 18791822), (1175, 17192518), (1505, 13422730), (1645, 12280370), (2021, 9995650), (2150, 9395911), (2350, 8596259), (3010, 6711365), (3290, 6140185), (4042, 4997825), (7525, 2684546), (8225, 2456074), (10105, 1999130), (14147, 1427950), (15050, 1342273), (16450, 1228037), (20210, 999565), (28294, 713975), (28559, 707350), (50525, 399826), (57118, 353675), (70735, 285590), (101050, 199913), (141470, 142795)]