20027843910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{5519}}^1$

素因数の和:6254

約数の個数: 96

約数和(自身を含む): 53015713920

約数和(自身を除く): 32987870010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 661, 915, 1098, 1322, 1830, 1983, 2745, 3305, 3966, 5490, 5519, 5949, 6610, 9915, 11038, 11898, 16557, 19830, 27595, 29745, 33114, 40321, 49671, 55190, 59490, 80642, 82785, 99342, 120963, 165570, 201605, 241926, 248355, 336659, 362889, 403210, 496710, 604815, 673318, 725778, 1009977, 1209630, 1683295, 1814445, 2019954, 3029931, 3366590, 3628890, 3648059, 5049885, 6059862, 7296118, 10099770, 10944177, 15149655, 18240295, 21888354, 30299310, 32832531, 36480590, 54720885, 65665062, 109441770, 164162655, 222531599, 328325310, 445063198, 667594797, 1112657995, 1335189594, 2002784391, 2225315990, 3337973985, 4005568782, 6675947970, 10013921955, 20027843910]

約数ペア:

[(1, 20027843910), (2, 10013921955), (3, 6675947970), (5, 4005568782), (6, 3337973985), (9, 2225315990), (10, 2002784391), (15, 1335189594), (18, 1112657995), (30, 667594797), (45, 445063198), (61, 328325310), (90, 222531599), (122, 164162655), (183, 109441770), (305, 65665062), (366, 54720885), (549, 36480590), (610, 32832531), (661, 30299310), (915, 21888354), (1098, 18240295), (1322, 15149655), (1830, 10944177), (1983, 10099770), (2745, 7296118), (3305, 6059862), (3966, 5049885), (5490, 3648059), (5519, 3628890), (5949, 3366590), (6610, 3029931), (9915, 2019954), (11038, 1814445), (11898, 1683295), (16557, 1209630), (19830, 1009977), (27595, 725778), (29745, 673318), (33114, 604815), (40321, 496710), (49671, 403210), (55190, 362889), (59490, 336659), (80642, 248355), (82785, 241926), (99342, 201605), (120963, 165570)]