20172089961

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{1783}}^1\times {\mathrm{14449}}^1$

素因数の和:16270

約数の個数: 32

約数和(自身を含む): 30934560000

約数和(自身を除く): 10762470039

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 1783, 5349, 14449, 16047, 43347, 48141, 51707, 130041, 155121, 390123, 419021, 465363, 1257063, 1396089, 3771189, 11313567, 25762567, 77287701, 231863103, 695589309, 747114443, 2241343329, 6724029987, 20172089961]

約数ペア:

[(1, 20172089961), (3, 6724029987), (9, 2241343329), (27, 747114443), (29, 695589309), (87, 231863103), (261, 77287701), (783, 25762567), (1783, 11313567), (5349, 3771189), (14449, 1396089), (16047, 1257063), (43347, 465363), (48141, 419021), (51707, 390123), (130041, 155121)]