20172657492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{112543}}^1$

素因数の和:112949

約数の個数: 72

約数和(自身を含む): 55058325504

約数和(自身を除く): 34885668012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 383, 468, 766, 1149, 1532, 2298, 3447, 4596, 4979, 6894, 9958, 13788, 14937, 19916, 29874, 44811, 59748, 89622, 112543, 179244, 225086, 337629, 450172, 675258, 1012887, 1350516, 1463059, 2025774, 2926118, 4051548, 4389177, 5852236, 8778354, 13167531, 17556708, 26335062, 43103969, 52670124, 86207938, 129311907, 172415876, 258623814, 387935721, 517247628, 560351597, 775871442, 1120703194, 1551742884, 1681054791, 2241406388, 3362109582, 5043164373, 6724219164, 10086328746, 20172657492]

約数ペア:

[(1, 20172657492), (2, 10086328746), (3, 6724219164), (4, 5043164373), (6, 3362109582), (9, 2241406388), (12, 1681054791), (13, 1551742884), (18, 1120703194), (26, 775871442), (36, 560351597), (39, 517247628), (52, 387935721), (78, 258623814), (117, 172415876), (156, 129311907), (234, 86207938), (383, 52670124), (468, 43103969), (766, 26335062), (1149, 17556708), (1532, 13167531), (2298, 8778354), (3447, 5852236), (4596, 4389177), (4979, 4051548), (6894, 2926118), (9958, 2025774), (13788, 1463059), (14937, 1350516), (19916, 1012887), (29874, 675258), (44811, 450172), (59748, 337629), (89622, 225086), (112543, 179244)]