20932440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 68843520

約数和(自身を除く): 47911080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 331, 340, 372, 408, 465, 510, 527, 620, 662, 680, 744, 930, 993, 1020, 1054, 1240, 1324, 1581, 1655, 1860, 1986, 2040, 2108, 2635, 2648, 3162, 3310, 3720, 3972, 4216, 4965, 5270, 5627, 6324, 6620, 7905, 7944, 9930, 10261, 10540, 11254, 12648, 13240, 15810, 16881, 19860, 20522, 21080, 22508, 28135, 30783, 31620, 33762, 39720, 41044, 45016, 51305, 56270, 61566, 63240, 67524, 82088, 84405, 102610, 112540, 123132, 135048, 153915, 168810, 174437, 205220, 225080, 246264, 307830, 337620, 348874, 410440, 523311, 615660, 675240, 697748, 872185, 1046622, 1231320, 1395496, 1744370, 2093244, 2616555, 3488740, 4186488, 5233110, 6977480, 10466220, 20932440]

約数ペア:

[(1, 20932440), (2, 10466220), (3, 6977480), (4, 5233110), (5, 4186488), (6, 3488740), (8, 2616555), (10, 2093244), (12, 1744370), (15, 1395496), (17, 1231320), (20, 1046622), (24, 872185), (30, 697748), (31, 675240), (34, 615660), (40, 523311), (51, 410440), (60, 348874), (62, 337620), (68, 307830), (85, 246264), (93, 225080), (102, 205220), (120, 174437), (124, 168810), (136, 153915), (155, 135048), (170, 123132), (186, 112540), (204, 102610), (248, 84405), (255, 82088), (310, 67524), (331, 63240), (340, 61566), (372, 56270), (408, 51305), (465, 45016), (510, 41044), (527, 39720), (620, 33762), (662, 31620), (680, 30783), (744, 28135), (930, 22508), (993, 21080), (1020, 20522), (1054, 19860), (1240, 16881), (1324, 15810), (1581, 13240), (1655, 12648), (1860, 11254), (1986, 10540), (2040, 10261), (2108, 9930), (2635, 7944), (2648, 7905), (3162, 6620), (3310, 6324), (3720, 5627), (3972, 5270), (4216, 4965)]