20937505536

素因数分解:

$2^8\times 3^3\times {\mathrm{37}}^1\times {\mathrm{81869}}^1$

素因数の和:81931

約数の個数: 144

約数和(自身を含む): 63590066400

約数和(自身を除く): 42652560864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 256, 288, 296, 333, 384, 432, 444, 576, 592, 666, 768, 864, 888, 999, 1152, 1184, 1332, 1728, 1776, 1998, 2304, 2368, 2664, 3456, 3552, 3996, 4736, 5328, 6912, 7104, 7992, 9472, 10656, 14208, 15984, 21312, 28416, 31968, 42624, 63936, 81869, 85248, 127872, 163738, 245607, 255744, 327476, 491214, 654952, 736821, 982428, 1309904, 1473642, 1964856, 2210463, 2619808, 2947284, 3029153, 3929712, 4420926, 5239616, 5894568, 6058306, 7859424, 8841852, 9087459, 10479232, 11789136, 12116612, 15718848, 17683704, 18174918, 20958464, 23578272, 24233224, 27262377, 31437696, 35367408, 36349836, 47156544, 48466448, 54524754, 62875392, 70734816, 72699672, 81787131, 94313088, 96932896, 109049508, 141469632, 145399344, 163574262, 188626176, 193865792, 218099016, 282939264, 290798688, 327148524, 387731584, 436198032, 565878528, 581597376, 654297048, 775463168, 872396064, 1163194752, 1308594096, 1744792128, 2326389504, 2617188192, 3489584256, 5234376384, 6979168512, 10468752768, 20937505536]

約数ペア:

[(1, 20937505536), (2, 10468752768), (3, 6979168512), (4, 5234376384), (6, 3489584256), (8, 2617188192), (9, 2326389504), (12, 1744792128), (16, 1308594096), (18, 1163194752), (24, 872396064), (27, 775463168), (32, 654297048), (36, 581597376), (37, 565878528), (48, 436198032), (54, 387731584), (64, 327148524), (72, 290798688), (74, 282939264), (96, 218099016), (108, 193865792), (111, 188626176), (128, 163574262), (144, 145399344), (148, 141469632), (192, 109049508), (216, 96932896), (222, 94313088), (256, 81787131), (288, 72699672), (296, 70734816), (333, 62875392), (384, 54524754), (432, 48466448), (444, 47156544), (576, 36349836), (592, 35367408), (666, 31437696), (768, 27262377), (864, 24233224), (888, 23578272), (999, 20958464), (1152, 18174918), (1184, 17683704), (1332, 15718848), (1728, 12116612), (1776, 11789136), (1998, 10479232), (2304, 9087459), (2368, 8841852), (2664, 7859424), (3456, 6058306), (3552, 5894568), (3996, 5239616), (4736, 4420926), (5328, 3929712), (6912, 3029153), (7104, 2947284), (7992, 2619808), (9472, 2210463), (10656, 1964856), (14208, 1473642), (15984, 1309904), (21312, 982428), (28416, 736821), (31968, 654952), (42624, 491214), (63936, 327476), (81869, 255744), (85248, 245607), (127872, 163738)]