20392260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2153

約数の個数: 96

約数和(自身を含む): 68124672

約数和(自身を除く): 47732412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2111, 2415, 3220, 4222, 4830, 6333, 8444, 9660, 10555, 12666, 14777, 21110, 25332, 29554, 31665, 42220, 44331, 48553, 59108, 63330, 73885, 88662, 97106, 126660, 145659, 147770, 177324, 194212, 221655, 242765, 291318, 295540, 339871, 443310, 485530, 582636, 679742, 728295, 886620, 971060, 1019613, 1359484, 1456590, 1699355, 2039226, 2913180, 3398710, 4078452, 5098065, 6797420, 10196130, 20392260]

約数ペア:

[(1, 20392260), (2, 10196130), (3, 6797420), (4, 5098065), (5, 4078452), (6, 3398710), (7, 2913180), (10, 2039226), (12, 1699355), (14, 1456590), (15, 1359484), (20, 1019613), (21, 971060), (23, 886620), (28, 728295), (30, 679742), (35, 582636), (42, 485530), (46, 443310), (60, 339871), (69, 295540), (70, 291318), (84, 242765), (92, 221655), (105, 194212), (115, 177324), (138, 147770), (140, 145659), (161, 126660), (210, 97106), (230, 88662), (276, 73885), (322, 63330), (345, 59108), (420, 48553), (460, 44331), (483, 42220), (644, 31665), (690, 29554), (805, 25332), (966, 21110), (1380, 14777), (1610, 12666), (1932, 10555), (2111, 9660), (2415, 8444), (3220, 6333), (4222, 4830)]