20790787590

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{885091}}^1$

素因数の和:885139

約数の個数: 80

約数和(自身を含む): 57831911280

約数和(自身を除く): 37041123690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 1305, 1566, 2349, 2610, 3915, 4698, 7830, 11745, 23490, 885091, 1770182, 2655273, 4425455, 5310546, 7965819, 8850910, 13276365, 15931638, 23897457, 25667639, 26552730, 39829095, 47794914, 51335278, 71692371, 77002917, 79658190, 119487285, 128338195, 143384742, 154005834, 231008751, 238974570, 256676390, 358461855, 385014585, 462017502, 693026253, 716923710, 770029170, 1155043755, 1386052506, 2079078759, 2310087510, 3465131265, 4158157518, 6930262530, 10395393795, 20790787590]

約数ペア:

[(1, 20790787590), (2, 10395393795), (3, 6930262530), (5, 4158157518), (6, 3465131265), (9, 2310087510), (10, 2079078759), (15, 1386052506), (18, 1155043755), (27, 770029170), (29, 716923710), (30, 693026253), (45, 462017502), (54, 385014585), (58, 358461855), (81, 256676390), (87, 238974570), (90, 231008751), (135, 154005834), (145, 143384742), (162, 128338195), (174, 119487285), (261, 79658190), (270, 77002917), (290, 71692371), (405, 51335278), (435, 47794914), (522, 39829095), (783, 26552730), (810, 25667639), (870, 23897457), (1305, 15931638), (1566, 13276365), (2349, 8850910), (2610, 7965819), (3915, 5310546), (4698, 4425455), (7830, 2655273), (11745, 1770182), (23490, 885091)]