20005969664

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{38177}}^1$

素因数の和:38305

約数の個数: 72

約数和(自身を含む): 42139349280

約数和(自身を除く): 22133379616

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 128, 178, 184, 256, 356, 368, 712, 736, 1424, 1472, 2047, 2848, 2944, 4094, 5696, 5888, 8188, 11392, 16376, 22784, 32752, 38177, 65504, 76354, 131008, 152708, 262016, 305416, 524032, 610832, 878071, 1221664, 1756142, 2443328, 3397753, 3512284, 4886656, 6795506, 7024568, 9773312, 13591012, 14049136, 27182024, 28098272, 54364048, 56196544, 78148319, 108728096, 112393088, 156296638, 217456192, 224786176, 312593276, 434912384, 625186552, 869824768, 1250373104, 2500746208, 5001492416, 10002984832, 20005969664]

約数ペア:

[(1, 20005969664), (2, 10002984832), (4, 5001492416), (8, 2500746208), (16, 1250373104), (23, 869824768), (32, 625186552), (46, 434912384), (64, 312593276), (89, 224786176), (92, 217456192), (128, 156296638), (178, 112393088), (184, 108728096), (256, 78148319), (356, 56196544), (368, 54364048), (712, 28098272), (736, 27182024), (1424, 14049136), (1472, 13591012), (2047, 9773312), (2848, 7024568), (2944, 6795506), (4094, 4886656), (5696, 3512284), (5888, 3397753), (8188, 2443328), (11392, 1756142), (16376, 1221664), (22784, 878071), (32752, 610832), (38177, 524032), (65504, 305416), (76354, 262016), (131008, 152708)]