20351376

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 60662784

約数和(自身を除く): 40311408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 47, 48, 62, 72, 93, 94, 97, 124, 141, 144, 186, 188, 194, 248, 279, 282, 291, 372, 376, 388, 423, 496, 558, 564, 582, 744, 752, 776, 846, 873, 1116, 1128, 1164, 1457, 1488, 1552, 1692, 1746, 2232, 2256, 2328, 2914, 3007, 3384, 3492, 4371, 4464, 4559, 4656, 5828, 6014, 6768, 6984, 8742, 9021, 9118, 11656, 12028, 13113, 13677, 13968, 17484, 18042, 18236, 23312, 24056, 26226, 27063, 27354, 34968, 36084, 36472, 41031, 48112, 52452, 54126, 54708, 69936, 72168, 72944, 82062, 104904, 108252, 109416, 141329, 144336, 164124, 209808, 216504, 218832, 282658, 328248, 423987, 433008, 565316, 656496, 847974, 1130632, 1271961, 1695948, 2261264, 2543922, 3391896, 5087844, 6783792, 10175688, 20351376]

約数ペア:

[(1, 20351376), (2, 10175688), (3, 6783792), (4, 5087844), (6, 3391896), (8, 2543922), (9, 2261264), (12, 1695948), (16, 1271961), (18, 1130632), (24, 847974), (31, 656496), (36, 565316), (47, 433008), (48, 423987), (62, 328248), (72, 282658), (93, 218832), (94, 216504), (97, 209808), (124, 164124), (141, 144336), (144, 141329), (186, 109416), (188, 108252), (194, 104904), (248, 82062), (279, 72944), (282, 72168), (291, 69936), (372, 54708), (376, 54126), (388, 52452), (423, 48112), (496, 41031), (558, 36472), (564, 36084), (582, 34968), (744, 27354), (752, 27063), (776, 26226), (846, 24056), (873, 23312), (1116, 18236), (1128, 18042), (1164, 17484), (1457, 13968), (1488, 13677), (1552, 13113), (1692, 12028), (1746, 11656), (2232, 9118), (2256, 9021), (2328, 8742), (2914, 6984), (3007, 6768), (3384, 6014), (3492, 5828), (4371, 4656), (4464, 4559)]