20110399060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{43961}}^1$

素因数の和:44316

約数の個数: 48

約数和(自身を含む): 42873500880

約数和(自身を除く): 22763101820

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 257, 356, 445, 514, 890, 1028, 1285, 1780, 2570, 5140, 22873, 43961, 45746, 87922, 91492, 114365, 175844, 219805, 228730, 439610, 457460, 879220, 3912529, 7825058, 11297977, 15650116, 19562645, 22595954, 39125290, 45191908, 56489885, 78250580, 112979770, 225959540, 1005519953, 2011039906, 4022079812, 5027599765, 10055199530, 20110399060]

約数ペア:

[(1, 20110399060), (2, 10055199530), (4, 5027599765), (5, 4022079812), (10, 2011039906), (20, 1005519953), (89, 225959540), (178, 112979770), (257, 78250580), (356, 56489885), (445, 45191908), (514, 39125290), (890, 22595954), (1028, 19562645), (1285, 15650116), (1780, 11297977), (2570, 7825058), (5140, 3912529), (22873, 879220), (43961, 457460), (45746, 439610), (87922, 228730), (91492, 219805), (114365, 175844)]