20112906960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251663}}^1$

素因数の和:251722

約数の個数: 160

約数和(自身を含む): 71150446080

約数和(自身を除く): 51037539120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 666, 720, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3330, 3996, 4440, 4995, 5328, 6660, 7992, 8880, 9990, 13320, 15984, 19980, 26640, 39960, 79920, 251663, 503326, 754989, 1006652, 1258315, 1509978, 2013304, 2264967, 2516630, 3019956, 3774945, 4026608, 4529934, 5033260, 6039912, 6794901, 7549890, 9059868, 9311531, 10066520, 11324835, 12079824, 13589802, 15099780, 18119736, 18623062, 20133040, 22649670, 27179604, 27934593, 30199560, 33974505, 36239472, 37246124, 45299340, 46557655, 54359208, 55869186, 60399120, 67949010, 74492248, 83803779, 90598680, 93115310, 108718416, 111738372, 135898020, 139672965, 148984496, 167607558, 181197360, 186230620, 223476744, 251411337, 271796040, 279345930, 335215116, 372461240, 419018895, 446953488, 502822674, 543592080, 558691860, 670430232, 744922480, 838037790, 1005645348, 1117383720, 1257056685, 1340860464, 1676075580, 2011290696, 2234767440, 2514113370, 3352151160, 4022581392, 5028226740, 6704302320, 10056453480, 20112906960]

約数ペア:

[(1, 20112906960), (2, 10056453480), (3, 6704302320), (4, 5028226740), (5, 4022581392), (6, 3352151160), (8, 2514113370), (9, 2234767440), (10, 2011290696), (12, 1676075580), (15, 1340860464), (16, 1257056685), (18, 1117383720), (20, 1005645348), (24, 838037790), (27, 744922480), (30, 670430232), (36, 558691860), (37, 543592080), (40, 502822674), (45, 446953488), (48, 419018895), (54, 372461240), (60, 335215116), (72, 279345930), (74, 271796040), (80, 251411337), (90, 223476744), (108, 186230620), (111, 181197360), (120, 167607558), (135, 148984496), (144, 139672965), (148, 135898020), (180, 111738372), (185, 108718416), (216, 93115310), (222, 90598680), (240, 83803779), (270, 74492248), (296, 67949010), (333, 60399120), (360, 55869186), (370, 54359208), (432, 46557655), (444, 45299340), (540, 37246124), (555, 36239472), (592, 33974505), (666, 30199560), (720, 27934593), (740, 27179604), (888, 22649670), (999, 20133040), (1080, 18623062), (1110, 18119736), (1332, 15099780), (1480, 13589802), (1665, 12079824), (1776, 11324835), (1998, 10066520), (2160, 9311531), (2220, 9059868), (2664, 7549890), (2960, 6794901), (3330, 6039912), (3996, 5033260), (4440, 4529934), (4995, 4026608), (5328, 3774945), (6660, 3019956), (7992, 2516630), (8880, 2264967), (9990, 2013304), (13320, 1509978), (15984, 1258315), (19980, 1006652), (26640, 754989), (39960, 503326), (79920, 251663)]