20407635720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123503}}^1$

素因数の和:123546

約数の個数: 192

約数和(自身を含む): 72827838720

約数和(自身を除く): 52420203000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 270, 306, 324, 340, 360, 405, 408, 459, 486, 510, 540, 612, 648, 680, 765, 810, 918, 972, 1020, 1080, 1215, 1224, 1377, 1530, 1620, 1836, 1944, 2040, 2295, 2430, 2754, 3060, 3240, 3672, 4131, 4590, 4860, 5508, 6120, 6885, 8262, 9180, 9720, 11016, 13770, 16524, 18360, 20655, 27540, 33048, 41310, 55080, 82620, 123503, 165240, 247006, 370509, 494012, 617515, 741018, 988024, 1111527, 1235030, 1482036, 1852545, 2099551, 2223054, 2470060, 2964072, 3334581, 3705090, 4199102, 4446108, 4940120, 5557635, 6298653, 6669162, 7410180, 8398204, 8892216, 10003743, 10497755, 11115270, 12597306, 13338324, 14820360, 16672905, 16796408, 18895959, 20007486, 20995510, 22230540, 25194612, 26676648, 30011229, 31493265, 33345810, 37791918, 40014972, 41991020, 44461080, 50018715, 50389224, 56687877, 60022458, 62986530, 66691620, 75583836, 80029944, 83982040, 94479795, 100037430, 113375754, 120044916, 125973060, 133383240, 150056145, 151167672, 170063631, 188959590, 200074860, 226751508, 240089832, 251946120, 283439385, 300112290, 340127262, 377919180, 400149720, 453503016, 510190893, 566878770, 600224580, 680254524, 755838360, 850318155, 1020381786, 1133757540, 1200449160, 1360509048, 1700636310, 2040763572, 2267515080, 2550954465, 3401272620, 4081527144, 5101908930, 6802545240, 10203817860, 20407635720]

約数ペア:

[(1, 20407635720), (2, 10203817860), (3, 6802545240), (4, 5101908930), (5, 4081527144), (6, 3401272620), (8, 2550954465), (9, 2267515080), (10, 2040763572), (12, 1700636310), (15, 1360509048), (17, 1200449160), (18, 1133757540), (20, 1020381786), (24, 850318155), (27, 755838360), (30, 680254524), (34, 600224580), (36, 566878770), (40, 510190893), (45, 453503016), (51, 400149720), (54, 377919180), (60, 340127262), (68, 300112290), (72, 283439385), (81, 251946120), (85, 240089832), (90, 226751508), (102, 200074860), (108, 188959590), (120, 170063631), (135, 151167672), (136, 150056145), (153, 133383240), (162, 125973060), (170, 120044916), (180, 113375754), (204, 100037430), (216, 94479795), (243, 83982040), (255, 80029944), (270, 75583836), (306, 66691620), (324, 62986530), (340, 60022458), (360, 56687877), (405, 50389224), (408, 50018715), (459, 44461080), (486, 41991020), (510, 40014972), (540, 37791918), (612, 33345810), (648, 31493265), (680, 30011229), (765, 26676648), (810, 25194612), (918, 22230540), (972, 20995510), (1020, 20007486), (1080, 18895959), (1215, 16796408), (1224, 16672905), (1377, 14820360), (1530, 13338324), (1620, 12597306), (1836, 11115270), (1944, 10497755), (2040, 10003743), (2295, 8892216), (2430, 8398204), (2754, 7410180), (3060, 6669162), (3240, 6298653), (3672, 5557635), (4131, 4940120), (4590, 4446108), (4860, 4199102), (5508, 3705090), (6120, 3334581), (6885, 2964072), (8262, 2470060), (9180, 2223054), (9720, 2099551), (11016, 1852545), (13770, 1482036), (16524, 1235030), (18360, 1111527), (20655, 988024), (27540, 741018), (33048, 617515), (41310, 494012), (55080, 370509), (82620, 247006), (123503, 165240)]