20860917

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 37632000

約数和(自身を除く): 16771083

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 97, 133, 147, 209, 231, 291, 343, 399, 539, 627, 679, 931, 1029, 1067, 1463, 1617, 1843, 2037, 2793, 3201, 3773, 4389, 4753, 5529, 6517, 7469, 10241, 11319, 12901, 14259, 19551, 20273, 22407, 30723, 33271, 38703, 52283, 60819, 71687, 90307, 99813, 141911, 156849, 215061, 270921, 365981, 425733, 632149, 993377, 1097943, 1896447, 2980131, 6953639, 20860917]

約数ペア:

[(1, 20860917), (3, 6953639), (7, 2980131), (11, 1896447), (19, 1097943), (21, 993377), (33, 632149), (49, 425733), (57, 365981), (77, 270921), (97, 215061), (133, 156849), (147, 141911), (209, 99813), (231, 90307), (291, 71687), (343, 60819), (399, 52283), (539, 38703), (627, 33271), (679, 30723), (931, 22407), (1029, 20273), (1067, 19551), (1463, 14259), (1617, 12901), (1843, 11319), (2037, 10241), (2793, 7469), (3201, 6517), (3773, 5529), (4389, 4753)]