20787810048

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{243851}}^1$

素因数の和:243910

約数の個数: 108

約数和(自身を含む): 61556535768

約数和(自身を除く): 40768725720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 256, 288, 296, 333, 384, 444, 576, 592, 666, 768, 888, 1152, 1184, 1332, 1776, 2304, 2368, 2664, 3552, 4736, 5328, 7104, 9472, 10656, 14208, 21312, 28416, 42624, 85248, 243851, 487702, 731553, 975404, 1463106, 1950808, 2194659, 2926212, 3901616, 4389318, 5852424, 7803232, 8778636, 9022487, 11704848, 15606464, 17557272, 18044974, 23409696, 27067461, 31212928, 35114544, 36089948, 46819392, 54134922, 62425856, 70229088, 72179896, 81202383, 93638784, 108269844, 140458176, 144359792, 162404766, 187277568, 216539688, 280916352, 288719584, 324809532, 433079376, 561832704, 577439168, 649619064, 866158752, 1154878336, 1299238128, 1732317504, 2309756672, 2598476256, 3464635008, 5196952512, 6929270016, 10393905024, 20787810048]

約数ペア:

[(1, 20787810048), (2, 10393905024), (3, 6929270016), (4, 5196952512), (6, 3464635008), (8, 2598476256), (9, 2309756672), (12, 1732317504), (16, 1299238128), (18, 1154878336), (24, 866158752), (32, 649619064), (36, 577439168), (37, 561832704), (48, 433079376), (64, 324809532), (72, 288719584), (74, 280916352), (96, 216539688), (111, 187277568), (128, 162404766), (144, 144359792), (148, 140458176), (192, 108269844), (222, 93638784), (256, 81202383), (288, 72179896), (296, 70229088), (333, 62425856), (384, 54134922), (444, 46819392), (576, 36089948), (592, 35114544), (666, 31212928), (768, 27067461), (888, 23409696), (1152, 18044974), (1184, 17557272), (1332, 15606464), (1776, 11704848), (2304, 9022487), (2368, 8778636), (2664, 7803232), (3552, 5852424), (4736, 4389318), (5328, 3901616), (7104, 2926212), (9472, 2194659), (10656, 1950808), (14208, 1463106), (21312, 975404), (28416, 731553), (42624, 487702), (85248, 243851)]