20199778556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{77621}}^1$

素因数の和:77774

約数の個数: 48

約数和(自身を含む): 38730273120

約数和(自身を除く): 18530494564

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 89, 172, 178, 356, 731, 1462, 1513, 2924, 3026, 3827, 6052, 7654, 15308, 65059, 77621, 130118, 155242, 260236, 310484, 1319557, 2639114, 3337703, 5278228, 6675406, 6908269, 13350812, 13816538, 27633076, 56740951, 113481902, 117440573, 226963804, 234881146, 297055567, 469762292, 594111134, 1188222268, 5049944639, 10099889278, 20199778556]

約数ペア:

[(1, 20199778556), (2, 10099889278), (4, 5049944639), (17, 1188222268), (34, 594111134), (43, 469762292), (68, 297055567), (86, 234881146), (89, 226963804), (172, 117440573), (178, 113481902), (356, 56740951), (731, 27633076), (1462, 13816538), (1513, 13350812), (2924, 6908269), (3026, 6675406), (3827, 5278228), (6052, 3337703), (7654, 2639114), (15308, 1319557), (65059, 310484), (77621, 260236), (130118, 155242)]