20172135080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{1873}}^1$

素因数の和:2323

約数の個数: 128

約数和(自身を含む): 49221734400

約数和(自身を除く): 29049599320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 383, 703, 740, 760, 766, 1406, 1480, 1532, 1873, 1915, 2812, 3064, 3515, 3746, 3830, 5624, 7030, 7277, 7492, 7660, 9365, 14060, 14171, 14554, 14984, 15320, 18730, 28120, 28342, 29108, 35587, 36385, 37460, 56684, 58216, 69301, 70855, 71174, 72770, 74920, 113368, 138602, 141710, 142348, 145540, 177935, 269249, 277204, 283420, 284696, 291080, 346505, 355870, 538498, 554408, 566840, 693010, 711740, 717359, 1076996, 1316719, 1346245, 1386020, 1423480, 1434718, 2153992, 2633438, 2692490, 2772040, 2869436, 3586795, 5266876, 5384980, 5738872, 6583595, 7173590, 10533752, 10769960, 13167190, 13629821, 14347180, 26334380, 26542283, 27259642, 28694360, 52668760, 53084566, 54519284, 68149105, 106169132, 109038568, 132711415, 136298210, 212338264, 265422830, 272596420, 504303377, 530845660, 545192840, 1008606754, 1061691320, 2017213508, 2521516885, 4034427016, 5043033770, 10086067540, 20172135080]

約数ペア:

[(1, 20172135080), (2, 10086067540), (4, 5043033770), (5, 4034427016), (8, 2521516885), (10, 2017213508), (19, 1061691320), (20, 1008606754), (37, 545192840), (38, 530845660), (40, 504303377), (74, 272596420), (76, 265422830), (95, 212338264), (148, 136298210), (152, 132711415), (185, 109038568), (190, 106169132), (296, 68149105), (370, 54519284), (380, 53084566), (383, 52668760), (703, 28694360), (740, 27259642), (760, 26542283), (766, 26334380), (1406, 14347180), (1480, 13629821), (1532, 13167190), (1873, 10769960), (1915, 10533752), (2812, 7173590), (3064, 6583595), (3515, 5738872), (3746, 5384980), (3830, 5266876), (5624, 3586795), (7030, 2869436), (7277, 2772040), (7492, 2692490), (7660, 2633438), (9365, 2153992), (14060, 1434718), (14171, 1423480), (14554, 1386020), (14984, 1346245), (15320, 1316719), (18730, 1076996), (28120, 717359), (28342, 711740), (29108, 693010), (35587, 566840), (36385, 554408), (37460, 538498), (56684, 355870), (58216, 346505), (69301, 291080), (70855, 284696), (71174, 283420), (72770, 277204), (74920, 269249), (113368, 177935), (138602, 145540), (141710, 142348)]