20492550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 61746048

約数和(自身を除く): 41253498

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 113, 117, 130, 150, 155, 186, 195, 225, 226, 234, 279, 310, 325, 339, 390, 403, 450, 465, 558, 565, 585, 650, 678, 775, 806, 930, 975, 1017, 1130, 1170, 1209, 1395, 1469, 1550, 1695, 1950, 2015, 2034, 2325, 2418, 2790, 2825, 2925, 2938, 3390, 3503, 3627, 4030, 4407, 4650, 5085, 5650, 5850, 6045, 6975, 7006, 7254, 7345, 8475, 8814, 10075, 10170, 10509, 12090, 13221, 13950, 14690, 16950, 17515, 18135, 20150, 21018, 22035, 25425, 26442, 30225, 31527, 35030, 36270, 36725, 44070, 45539, 50850, 52545, 60450, 63054, 66105, 73450, 87575, 90675, 91078, 105090, 110175, 132210, 136617, 157635, 175150, 181350, 220350, 227695, 262725, 273234, 315270, 330525, 409851, 455390, 525450, 661050, 683085, 788175, 819702, 1138475, 1366170, 1576350, 2049255, 2276950, 3415425, 4098510, 6830850, 10246275, 20492550]

約数ペア:

[(1, 20492550), (2, 10246275), (3, 6830850), (5, 4098510), (6, 3415425), (9, 2276950), (10, 2049255), (13, 1576350), (15, 1366170), (18, 1138475), (25, 819702), (26, 788175), (30, 683085), (31, 661050), (39, 525450), (45, 455390), (50, 409851), (62, 330525), (65, 315270), (75, 273234), (78, 262725), (90, 227695), (93, 220350), (113, 181350), (117, 175150), (130, 157635), (150, 136617), (155, 132210), (186, 110175), (195, 105090), (225, 91078), (226, 90675), (234, 87575), (279, 73450), (310, 66105), (325, 63054), (339, 60450), (390, 52545), (403, 50850), (450, 45539), (465, 44070), (558, 36725), (565, 36270), (585, 35030), (650, 31527), (678, 30225), (775, 26442), (806, 25425), (930, 22035), (975, 21018), (1017, 20150), (1130, 18135), (1170, 17515), (1209, 16950), (1395, 14690), (1469, 13950), (1550, 13221), (1695, 12090), (1950, 10509), (2015, 10170), (2034, 10075), (2325, 8814), (2418, 8475), (2790, 7345), (2825, 7254), (2925, 7006), (2938, 6975), (3390, 6045), (3503, 5850), (3627, 5650), (4030, 5085), (4407, 4650)]