20013302816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{154691}}^1$

素因数の和:155025

約数の個数: 48

約数和(自身を含む): 42568763328

約数和(自身を除く): 22555460512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 311, 416, 622, 1244, 2488, 4043, 4976, 8086, 9952, 16172, 32344, 64688, 129376, 154691, 309382, 618764, 1237528, 2010983, 2475056, 4021966, 4950112, 8043932, 16087864, 32175728, 48108901, 64351456, 96217802, 192435604, 384871208, 625415713, 769742416, 1250831426, 1539484832, 2501662852, 5003325704, 10006651408, 20013302816]

約数ペア:

[(1, 20013302816), (2, 10006651408), (4, 5003325704), (8, 2501662852), (13, 1539484832), (16, 1250831426), (26, 769742416), (32, 625415713), (52, 384871208), (104, 192435604), (208, 96217802), (311, 64351456), (416, 48108901), (622, 32175728), (1244, 16087864), (2488, 8043932), (4043, 4950112), (4976, 4021966), (8086, 2475056), (9952, 2010983), (16172, 1237528), (32344, 618764), (64688, 309382), (129376, 154691)]