20027887150

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{809}}^1\times {\mathrm{3323}}^1$

素因数の和:4293

約数の個数: 48

約数和(自身を含む): 37559538000

約数和(自身を除く): 17531650850

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 809, 1490, 1618, 3323, 3725, 4045, 6646, 7450, 8090, 16615, 20225, 33230, 40450, 83075, 120541, 166150, 241082, 495127, 602705, 990254, 1205410, 2475635, 2688307, 3013525, 4951270, 5376614, 6027050, 12378175, 13441535, 24756350, 26883070, 67207675, 134415350, 400557743, 801115486, 2002788715, 4005577430, 10013943575, 20027887150]

約数ペア:

[(1, 20027887150), (2, 10013943575), (5, 4005577430), (10, 2002788715), (25, 801115486), (50, 400557743), (149, 134415350), (298, 67207675), (745, 26883070), (809, 24756350), (1490, 13441535), (1618, 12378175), (3323, 6027050), (3725, 5376614), (4045, 4951270), (6646, 3013525), (7450, 2688307), (8090, 2475635), (16615, 1205410), (20225, 990254), (33230, 602705), (40450, 495127), (83075, 241082), (120541, 166150)]