20674992

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1990

約数の個数: 80

約数和(自身を含む): 60933600

約数和(自身を除く): 40258608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1949, 2652, 3536, 3898, 5304, 5847, 7796, 10608, 11694, 15592, 23388, 25337, 31184, 33133, 46776, 50674, 66266, 76011, 93552, 99399, 101348, 132532, 152022, 198798, 202696, 265064, 304044, 397596, 405392, 430729, 530128, 608088, 795192, 861458, 1216176, 1292187, 1590384, 1722916, 2584374, 3445832, 5168748, 6891664, 10337496, 20674992]

約数ペア:

[(1, 20674992), (2, 10337496), (3, 6891664), (4, 5168748), (6, 3445832), (8, 2584374), (12, 1722916), (13, 1590384), (16, 1292187), (17, 1216176), (24, 861458), (26, 795192), (34, 608088), (39, 530128), (48, 430729), (51, 405392), (52, 397596), (68, 304044), (78, 265064), (102, 202696), (104, 198798), (136, 152022), (156, 132532), (204, 101348), (208, 99399), (221, 93552), (272, 76011), (312, 66266), (408, 50674), (442, 46776), (624, 33133), (663, 31184), (816, 25337), (884, 23388), (1326, 15592), (1768, 11694), (1949, 10608), (2652, 7796), (3536, 5847), (3898, 5304)]