20783070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2999}}^1$

素因数の和:3030

約数の個数: 96

約数和(自身を含む): 67392000

約数和(自身を除く): 46608930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 154, 165, 198, 210, 231, 315, 330, 385, 462, 495, 630, 693, 770, 990, 1155, 1386, 2310, 2999, 3465, 5998, 6930, 8997, 14995, 17994, 20993, 26991, 29990, 32989, 41986, 44985, 53982, 62979, 65978, 89970, 98967, 104965, 125958, 134955, 164945, 188937, 197934, 209930, 230923, 269910, 296901, 314895, 329890, 377874, 461846, 494835, 593802, 629790, 692769, 944685, 989670, 1154615, 1385538, 1484505, 1889370, 2078307, 2309230, 2969010, 3463845, 4156614, 6927690, 10391535, 20783070]

約数ペア:

[(1, 20783070), (2, 10391535), (3, 6927690), (5, 4156614), (6, 3463845), (7, 2969010), (9, 2309230), (10, 2078307), (11, 1889370), (14, 1484505), (15, 1385538), (18, 1154615), (21, 989670), (22, 944685), (30, 692769), (33, 629790), (35, 593802), (42, 494835), (45, 461846), (55, 377874), (63, 329890), (66, 314895), (70, 296901), (77, 269910), (90, 230923), (99, 209930), (105, 197934), (110, 188937), (126, 164945), (154, 134955), (165, 125958), (198, 104965), (210, 98967), (231, 89970), (315, 65978), (330, 62979), (385, 53982), (462, 44985), (495, 41986), (630, 32989), (693, 29990), (770, 26991), (990, 20993), (1155, 17994), (1386, 14995), (2310, 8997), (2999, 6930), (3465, 5998)]