20143440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 68564808

約数和(自身を除く): 48421368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 277, 303, 360, 404, 505, 554, 606, 720, 808, 831, 909, 1010, 1108, 1212, 1385, 1515, 1616, 1662, 1818, 2020, 2216, 2424, 2493, 2770, 3030, 3324, 3636, 4040, 4155, 4432, 4545, 4848, 4986, 5540, 6060, 6648, 7272, 8080, 8310, 9090, 9972, 11080, 12120, 12465, 13296, 14544, 16620, 18180, 19944, 22160, 24240, 24930, 27977, 33240, 36360, 39888, 49860, 55954, 66480, 72720, 83931, 99720, 111908, 139885, 167862, 199440, 223816, 251793, 279770, 335724, 419655, 447632, 503586, 559540, 671448, 839310, 1007172, 1119080, 1258965, 1342896, 1678620, 2014344, 2238160, 2517930, 3357240, 4028688, 5035860, 6714480, 10071720, 20143440]

約数ペア:

[(1, 20143440), (2, 10071720), (3, 6714480), (4, 5035860), (5, 4028688), (6, 3357240), (8, 2517930), (9, 2238160), (10, 2014344), (12, 1678620), (15, 1342896), (16, 1258965), (18, 1119080), (20, 1007172), (24, 839310), (30, 671448), (36, 559540), (40, 503586), (45, 447632), (48, 419655), (60, 335724), (72, 279770), (80, 251793), (90, 223816), (101, 199440), (120, 167862), (144, 139885), (180, 111908), (202, 99720), (240, 83931), (277, 72720), (303, 66480), (360, 55954), (404, 49860), (505, 39888), (554, 36360), (606, 33240), (720, 27977), (808, 24930), (831, 24240), (909, 22160), (1010, 19944), (1108, 18180), (1212, 16620), (1385, 14544), (1515, 13296), (1616, 12465), (1662, 12120), (1818, 11080), (2020, 9972), (2216, 9090), (2424, 8310), (2493, 8080), (2770, 7272), (3030, 6648), (3324, 6060), (3636, 5540), (4040, 4986), (4155, 4848), (4432, 4545)]