20304528

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 35941872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 149, 167, 204, 272, 298, 334, 408, 447, 501, 596, 668, 816, 894, 1002, 1192, 1336, 1788, 2004, 2384, 2533, 2672, 2839, 3576, 4008, 5066, 5678, 7152, 7599, 8016, 8517, 10132, 11356, 15198, 17034, 20264, 22712, 24883, 30396, 34068, 40528, 45424, 49766, 60792, 68136, 74649, 99532, 121584, 136272, 149298, 199064, 298596, 398128, 423011, 597192, 846022, 1194384, 1269033, 1692044, 2538066, 3384088, 5076132, 6768176, 10152264, 20304528]

約数ペア:

[(1, 20304528), (2, 10152264), (3, 6768176), (4, 5076132), (6, 3384088), (8, 2538066), (12, 1692044), (16, 1269033), (17, 1194384), (24, 846022), (34, 597192), (48, 423011), (51, 398128), (68, 298596), (102, 199064), (136, 149298), (149, 136272), (167, 121584), (204, 99532), (272, 74649), (298, 68136), (334, 60792), (408, 49766), (447, 45424), (501, 40528), (596, 34068), (668, 30396), (816, 24883), (894, 22712), (1002, 20264), (1192, 17034), (1336, 15198), (1788, 11356), (2004, 10132), (2384, 8517), (2533, 8016), (2672, 7599), (2839, 7152), (3576, 5678), (4008, 5066)]