20974338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 58331520

約数和(自身を除く): 37357182

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 37, 42, 63, 66, 74, 77, 99, 111, 126, 154, 198, 222, 231, 259, 333, 407, 409, 462, 518, 666, 693, 777, 814, 818, 1221, 1227, 1386, 1554, 2331, 2442, 2454, 2849, 2863, 3663, 3681, 4499, 4662, 5698, 5726, 7326, 7362, 8547, 8589, 8998, 13497, 15133, 17094, 17178, 25641, 25767, 26994, 30266, 31493, 40491, 45399, 51282, 51534, 62986, 80982, 90798, 94479, 105931, 136197, 166463, 188958, 211862, 272394, 283437, 317793, 332926, 499389, 566874, 635586, 953379, 998778, 1165241, 1498167, 1906758, 2330482, 2996334, 3495723, 6991446, 10487169, 20974338]

約数ペア:

[(1, 20974338), (2, 10487169), (3, 6991446), (6, 3495723), (7, 2996334), (9, 2330482), (11, 1906758), (14, 1498167), (18, 1165241), (21, 998778), (22, 953379), (33, 635586), (37, 566874), (42, 499389), (63, 332926), (66, 317793), (74, 283437), (77, 272394), (99, 211862), (111, 188958), (126, 166463), (154, 136197), (198, 105931), (222, 94479), (231, 90798), (259, 80982), (333, 62986), (407, 51534), (409, 51282), (462, 45399), (518, 40491), (666, 31493), (693, 30266), (777, 26994), (814, 25767), (818, 25641), (1221, 17178), (1227, 17094), (1386, 15133), (1554, 13497), (2331, 8998), (2442, 8589), (2454, 8547), (2849, 7362), (2863, 7326), (3663, 5726), (3681, 5698), (4499, 4662)]