20084860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 43559712

約数和(自身を除く): 23474852

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 163, 202, 244, 305, 326, 404, 505, 610, 652, 815, 1010, 1220, 1630, 2020, 3260, 6161, 9943, 12322, 16463, 19886, 24644, 30805, 32926, 39772, 49715, 61610, 65852, 82315, 99430, 123220, 164630, 198860, 329260, 1004243, 2008486, 4016972, 5021215, 10042430, 20084860]

約数ペア:

[(1, 20084860), (2, 10042430), (4, 5021215), (5, 4016972), (10, 2008486), (20, 1004243), (61, 329260), (101, 198860), (122, 164630), (163, 123220), (202, 99430), (244, 82315), (305, 65852), (326, 61610), (404, 49715), (505, 39772), (610, 32926), (652, 30805), (815, 24644), (1010, 19886), (1220, 16463), (1630, 12322), (2020, 9943), (3260, 6161)]