20177238045

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{87649}}^1$

素因数の和:87909

約数の個数: 32

約数和(自身を含む): 32816160000

約数和(自身を除く): 12638921955

約数列:

[1, 3, 5, 15, 103, 149, 309, 447, 515, 745, 1545, 2235, 15347, 46041, 76735, 87649, 230205, 262947, 438245, 1314735, 9027847, 13059701, 27083541, 39179103, 45139235, 65298505, 135417705, 195895515, 1345149203, 4035447609, 6725746015, 20177238045]

約数ペア:

[(1, 20177238045), (3, 6725746015), (5, 4035447609), (15, 1345149203), (103, 195895515), (149, 135417705), (309, 65298505), (447, 45139235), (515, 39179103), (745, 27083541), (1545, 13059701), (2235, 9027847), (15347, 1314735), (46041, 438245), (76735, 262947), (87649, 230205)]