20193369975

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{577}}^1\times {\mathrm{1427}}^1$

素因数の和:2129

約数の個数: 72

約数和(自身を含む): 36589272720

約数和(自身を除く): 16395902745

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 577, 981, 1427, 1635, 1731, 2725, 2885, 4281, 4905, 5193, 7135, 8175, 8655, 12843, 14425, 21405, 24525, 25965, 35675, 43275, 62893, 64215, 107025, 129825, 155543, 188679, 314465, 321075, 466629, 566037, 777715, 823379, 943395, 1399887, 1572325, 2333145, 2470137, 2830185, 3888575, 4116895, 4716975, 6999435, 7410411, 11665725, 12350685, 14150925, 20584475, 34997175, 37052055, 61753425, 89748311, 185260275, 269244933, 448741555, 807734799, 1346224665, 2243707775, 4038673995, 6731123325, 20193369975]

約数ペア:

[(1, 20193369975), (3, 6731123325), (5, 4038673995), (9, 2243707775), (15, 1346224665), (25, 807734799), (45, 448741555), (75, 269244933), (109, 185260275), (225, 89748311), (327, 61753425), (545, 37052055), (577, 34997175), (981, 20584475), (1427, 14150925), (1635, 12350685), (1731, 11665725), (2725, 7410411), (2885, 6999435), (4281, 4716975), (4905, 4116895), (5193, 3888575), (7135, 2830185), (8175, 2470137), (8655, 2333145), (12843, 1572325), (14425, 1399887), (21405, 943395), (24525, 823379), (25965, 777715), (35675, 566037), (43275, 466629), (62893, 321075), (64215, 314465), (107025, 188679), (129825, 155543)]