20784525108

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^3\times {\mathrm{352543}}^1$

素因数の和:352601

約数の個数: 48

約数和(自身を含む): 51527831040

約数和(自身を除く): 30743305932

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 578, 867, 1156, 1734, 3468, 4913, 9826, 14739, 19652, 29478, 58956, 352543, 705086, 1057629, 1410172, 2115258, 4230516, 5993231, 11986462, 17979693, 23972924, 35959386, 71918772, 101884927, 203769854, 305654781, 407539708, 611309562, 1222619124, 1732043759, 3464087518, 5196131277, 6928175036, 10392262554, 20784525108]

約数ペア:

[(1, 20784525108), (2, 10392262554), (3, 6928175036), (4, 5196131277), (6, 3464087518), (12, 1732043759), (17, 1222619124), (34, 611309562), (51, 407539708), (68, 305654781), (102, 203769854), (204, 101884927), (289, 71918772), (578, 35959386), (867, 23972924), (1156, 17979693), (1734, 11986462), (3468, 5993231), (4913, 4230516), (9826, 2115258), (14739, 1410172), (19652, 1057629), (29478, 705086), (58956, 352543)]