20890405798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{19993}}^1$

素因数の和:20932

約数の個数: 32

約数和(自身を含む): 34088970240

約数和(自身を除く): 13198564442

約数列:

[1, 2, 19, 31, 38, 62, 589, 887, 1178, 1774, 16853, 19993, 27497, 33706, 39986, 54994, 379867, 522443, 619783, 759734, 1044886, 1239566, 11775877, 17733791, 23551754, 35467582, 336942029, 549747521, 673884058, 1099495042, 10445202899, 20890405798]

約数ペア:

[(1, 20890405798), (2, 10445202899), (19, 1099495042), (31, 673884058), (38, 549747521), (62, 336942029), (589, 35467582), (887, 23551754), (1178, 17733791), (1774, 11775877), (16853, 1239566), (19993, 1044886), (27497, 759734), (33706, 619783), (39986, 522443), (54994, 379867)]