20178562872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1504067}}^1$

素因数の和:1504132

約数の個数: 64

約数和(自身を含む): 55590353280

約数和(自身を除く): 35411790408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 1504067, 3008134, 4512201, 6016268, 9024402, 12032536, 18048804, 19552871, 36097608, 39105742, 58658613, 64674881, 78211484, 117317226, 129349762, 156422968, 194024643, 234634452, 258699524, 388049286, 469268904, 517399048, 776098572, 840773453, 1552197144, 1681546906, 2522320359, 3363093812, 5044640718, 6726187624, 10089281436, 20178562872]

約数ペア:

[(1, 20178562872), (2, 10089281436), (3, 6726187624), (4, 5044640718), (6, 3363093812), (8, 2522320359), (12, 1681546906), (13, 1552197144), (24, 840773453), (26, 776098572), (39, 517399048), (43, 469268904), (52, 388049286), (78, 258699524), (86, 234634452), (104, 194024643), (129, 156422968), (156, 129349762), (172, 117317226), (258, 78211484), (312, 64674881), (344, 58658613), (516, 39105742), (559, 36097608), (1032, 19552871), (1118, 18048804), (1677, 12032536), (2236, 9024402), (3354, 6016268), (4472, 4512201), (6708, 3008134), (13416, 1504067)]