20173252480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{27481}}^1$

素因数の和:27568

約数の個数: 128

約数和(自身を含む): 51129711360

約数和(自身を除く): 30956458880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 296, 310, 320, 370, 496, 592, 620, 640, 740, 992, 1147, 1184, 1240, 1480, 1984, 2294, 2368, 2480, 2960, 3968, 4588, 4736, 4960, 5735, 5920, 9176, 9920, 11470, 11840, 18352, 19840, 22940, 23680, 27481, 36704, 45880, 54962, 73408, 91760, 109924, 137405, 146816, 183520, 219848, 274810, 367040, 439696, 549620, 734080, 851911, 879392, 1016797, 1099240, 1703822, 1758784, 2033594, 2198480, 3407644, 3517568, 4067188, 4259555, 4396960, 5083985, 6815288, 8134376, 8519110, 8793920, 10167970, 13630576, 16268752, 17038220, 17587840, 20335940, 27261152, 31520707, 32537504, 34076440, 40671880, 54522304, 63041414, 65075008, 68152880, 81343760, 109044608, 126082828, 130150016, 136305760, 157603535, 162687520, 252165656, 272611520, 315207070, 325375040, 504331312, 545223040, 630414140, 650750080, 1008662624, 1260828280, 2017325248, 2521656560, 4034650496, 5043313120, 10086626240, 20173252480]

約数ペア:

[(1, 20173252480), (2, 10086626240), (4, 5043313120), (5, 4034650496), (8, 2521656560), (10, 2017325248), (16, 1260828280), (20, 1008662624), (31, 650750080), (32, 630414140), (37, 545223040), (40, 504331312), (62, 325375040), (64, 315207070), (74, 272611520), (80, 252165656), (124, 162687520), (128, 157603535), (148, 136305760), (155, 130150016), (160, 126082828), (185, 109044608), (248, 81343760), (296, 68152880), (310, 65075008), (320, 63041414), (370, 54522304), (496, 40671880), (592, 34076440), (620, 32537504), (640, 31520707), (740, 27261152), (992, 20335940), (1147, 17587840), (1184, 17038220), (1240, 16268752), (1480, 13630576), (1984, 10167970), (2294, 8793920), (2368, 8519110), (2480, 8134376), (2960, 6815288), (3968, 5083985), (4588, 4396960), (4736, 4259555), (4960, 4067188), (5735, 3517568), (5920, 3407644), (9176, 2198480), (9920, 2033594), (11470, 1758784), (11840, 1703822), (18352, 1099240), (19840, 1016797), (22940, 879392), (23680, 851911), (27481, 734080), (36704, 549620), (45880, 439696), (54962, 367040), (73408, 274810), (91760, 219848), (109924, 183520), (137405, 146816)]