20685060075

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{17393}}^1$

素因数の和:17664

約数の個数: 48

約数和(自身を含む): 34759891296

約数和(自身を除く): 14074831221

約数列:

[1, 3, 5, 15, 25, 75, 101, 157, 303, 471, 505, 785, 1515, 2355, 2525, 3925, 7575, 11775, 15857, 17393, 47571, 52179, 79285, 86965, 237855, 260895, 396425, 434825, 1189275, 1304475, 1756693, 2730701, 5270079, 8192103, 8783465, 13653505, 26350395, 40960515, 43917325, 68267525, 131751975, 204802575, 275800801, 827402403, 1379004005, 4137012015, 6895020025, 20685060075]

約数ペア:

[(1, 20685060075), (3, 6895020025), (5, 4137012015), (15, 1379004005), (25, 827402403), (75, 275800801), (101, 204802575), (157, 131751975), (303, 68267525), (471, 43917325), (505, 40960515), (785, 26350395), (1515, 13653505), (2355, 8783465), (2525, 8192103), (3925, 5270079), (7575, 2730701), (11775, 1756693), (15857, 1304475), (17393, 1189275), (47571, 434825), (52179, 396425), (79285, 260895), (86965, 237855)]