20557955882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{37619}}^1$

素因数の和:37910

約数の個数: 32

約数和(自身を含む): 33072494400

約数和(自身を除く): 12514538518

約数列:

[1, 2, 19, 38, 73, 146, 197, 394, 1387, 2774, 3743, 7486, 14381, 28762, 37619, 75238, 273239, 546478, 714761, 1429522, 2746187, 5492374, 7410943, 14821886, 52177553, 104355106, 140807917, 281615834, 540998839, 1081997678, 10278977941, 20557955882]

約数ペア:

[(1, 20557955882), (2, 10278977941), (19, 1081997678), (38, 540998839), (73, 281615834), (146, 140807917), (197, 104355106), (394, 52177553), (1387, 14821886), (2774, 7410943), (3743, 5492374), (7486, 2746187), (14381, 1429522), (28762, 714761), (37619, 546478), (75238, 273239)]