20425440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6079}}^1$

素因数の和:6104

約数の個数: 96

約数和(自身を含む): 73543680

約数和(自身を除く): 53118240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6079, 12158, 18237, 24316, 30395, 36474, 42553, 48632, 60790, 72948, 85106, 91185, 97264, 121580, 127659, 145896, 170212, 182370, 194528, 212765, 243160, 255318, 291792, 340424, 364740, 425530, 486320, 510636, 583584, 638295, 680848, 729480, 851060, 972640, 1021272, 1276590, 1361696, 1458960, 1702120, 2042544, 2553180, 2917920, 3404240, 4085088, 5106360, 6808480, 10212720, 20425440]

約数ペア:

[(1, 20425440), (2, 10212720), (3, 6808480), (4, 5106360), (5, 4085088), (6, 3404240), (7, 2917920), (8, 2553180), (10, 2042544), (12, 1702120), (14, 1458960), (15, 1361696), (16, 1276590), (20, 1021272), (21, 972640), (24, 851060), (28, 729480), (30, 680848), (32, 638295), (35, 583584), (40, 510636), (42, 486320), (48, 425530), (56, 364740), (60, 340424), (70, 291792), (80, 255318), (84, 243160), (96, 212765), (105, 194528), (112, 182370), (120, 170212), (140, 145896), (160, 127659), (168, 121580), (210, 97264), (224, 91185), (240, 85106), (280, 72948), (336, 60790), (420, 48632), (480, 42553), (560, 36474), (672, 30395), (840, 24316), (1120, 18237), (1680, 12158), (3360, 6079)]