20175462909

素因数分解:

$3^4\times 7^2\times {\mathrm{2213}}^1\times {\mathrm{2297}}^1$

素因数の和:4536

約数の個数: 60

約数和(自身を含む): 35090363484

約数和(自身を除く): 14914900575

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 2213, 2297, 3969, 6639, 6891, 15491, 16079, 19917, 20673, 46473, 48237, 59751, 62019, 108437, 112553, 139419, 144711, 179253, 186057, 325311, 337659, 418257, 434133, 975933, 1012977, 1254771, 1302399, 2927799, 3038931, 5083261, 8783397, 9116793, 15249783, 35582827, 45749349, 106748481, 137248047, 249079789, 320245443, 411744141, 747239367, 960736329, 2241718101, 2882208987, 6725154303, 20175462909]

約数ペア:

[(1, 20175462909), (3, 6725154303), (7, 2882208987), (9, 2241718101), (21, 960736329), (27, 747239367), (49, 411744141), (63, 320245443), (81, 249079789), (147, 137248047), (189, 106748481), (441, 45749349), (567, 35582827), (1323, 15249783), (2213, 9116793), (2297, 8783397), (3969, 5083261), (6639, 3038931), (6891, 2927799), (15491, 1302399), (16079, 1254771), (19917, 1012977), (20673, 975933), (46473, 434133), (48237, 418257), (59751, 337659), (62019, 325311), (108437, 186057), (112553, 179253), (139419, 144711)]