20072654775

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{887}}^1\times {\mathrm{2339}}^1$

素因数の和:3285

約数の個数: 72

約数和(自身を含む): 36845677440

約数和(自身を除く): 16773022665

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 887, 1075, 1935, 2339, 2661, 3225, 4435, 7017, 7983, 9675, 11695, 13305, 21051, 22175, 35085, 38141, 39915, 58475, 66525, 100577, 105255, 114423, 175425, 190705, 199575, 301731, 343269, 502885, 526275, 572115, 905193, 953525, 1508655, 1716345, 2074693, 2514425, 2860575, 4525965, 6224079, 7543275, 8581725, 10373465, 18672237, 22629825, 31120395, 51867325, 89211799, 93361185, 155601975, 267635397, 446058995, 466805925, 802906191, 1338176985, 2230294975, 4014530955, 6690884925, 20072654775]

約数ペア:

[(1, 20072654775), (3, 6690884925), (5, 4014530955), (9, 2230294975), (15, 1338176985), (25, 802906191), (43, 466805925), (45, 446058995), (75, 267635397), (129, 155601975), (215, 93361185), (225, 89211799), (387, 51867325), (645, 31120395), (887, 22629825), (1075, 18672237), (1935, 10373465), (2339, 8581725), (2661, 7543275), (3225, 6224079), (4435, 4525965), (7017, 2860575), (7983, 2514425), (9675, 2074693), (11695, 1716345), (13305, 1508655), (21051, 953525), (22175, 905193), (35085, 572115), (38141, 526275), (39915, 502885), (58475, 343269), (66525, 301731), (100577, 199575), (105255, 190705), (114423, 175425)]