20005941124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{17167}}^1$

素因数の和:17564

約数の個数: 48

約数和(自身を含む): 38346719488

約数和(自身を除く): 18340778364

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 307, 614, 949, 1228, 1898, 3796, 3991, 7982, 15964, 17167, 22411, 34334, 44822, 68668, 89644, 223171, 291343, 446342, 582686, 892684, 1165372, 1253191, 2506382, 5012764, 5270269, 10540538, 16291483, 21081076, 32582966, 65165932, 68513497, 137026994, 274053988, 384729637, 769459274, 1538918548, 5001485281, 10002970562, 20005941124]

約数ペア:

[(1, 20005941124), (2, 10002970562), (4, 5001485281), (13, 1538918548), (26, 769459274), (52, 384729637), (73, 274053988), (146, 137026994), (292, 68513497), (307, 65165932), (614, 32582966), (949, 21081076), (1228, 16291483), (1898, 10540538), (3796, 5270269), (3991, 5012764), (7982, 2506382), (15964, 1253191), (17167, 1165372), (22411, 892684), (34334, 582686), (44822, 446342), (68668, 291343), (89644, 223171)]