20529450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 120

約数和(自身を含む): 59010732

約数和(自身を除く): 38481282

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 81, 90, 111, 135, 137, 150, 162, 185, 222, 225, 270, 274, 333, 370, 405, 411, 450, 555, 666, 675, 685, 810, 822, 925, 999, 1110, 1233, 1350, 1370, 1665, 1850, 1998, 2025, 2055, 2466, 2775, 2997, 3330, 3425, 3699, 4050, 4110, 4995, 5069, 5550, 5994, 6165, 6850, 7398, 8325, 9990, 10138, 10275, 11097, 12330, 14985, 15207, 16650, 18495, 20550, 22194, 24975, 25345, 29970, 30414, 30825, 36990, 45621, 49950, 50690, 55485, 61650, 74925, 76035, 91242, 92475, 110970, 126725, 136863, 149850, 152070, 184950, 228105, 253450, 273726, 277425, 380175, 410589, 456210, 554850, 684315, 760350, 821178, 1140525, 1368630, 2052945, 2281050, 3421575, 4105890, 6843150, 10264725, 20529450]

約数ペア:

[(1, 20529450), (2, 10264725), (3, 6843150), (5, 4105890), (6, 3421575), (9, 2281050), (10, 2052945), (15, 1368630), (18, 1140525), (25, 821178), (27, 760350), (30, 684315), (37, 554850), (45, 456210), (50, 410589), (54, 380175), (74, 277425), (75, 273726), (81, 253450), (90, 228105), (111, 184950), (135, 152070), (137, 149850), (150, 136863), (162, 126725), (185, 110970), (222, 92475), (225, 91242), (270, 76035), (274, 74925), (333, 61650), (370, 55485), (405, 50690), (411, 49950), (450, 45621), (555, 36990), (666, 30825), (675, 30414), (685, 29970), (810, 25345), (822, 24975), (925, 22194), (999, 20550), (1110, 18495), (1233, 16650), (1350, 15207), (1370, 14985), (1665, 12330), (1850, 11097), (1998, 10275), (2025, 10138), (2055, 9990), (2466, 8325), (2775, 7398), (2997, 6850), (3330, 6165), (3425, 5994), (3699, 5550), (4050, 5069), (4110, 4995)]