20565513336

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{642833}}^1$

素因数の和:642916

約数の個数: 64

約数和(自身を含む): 54306616320

約数和(自身を除く): 33741102984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 744, 1032, 1333, 2666, 3999, 5332, 7998, 10664, 15996, 31992, 642833, 1285666, 1928499, 2571332, 3856998, 5142664, 7713996, 15427992, 19927823, 27641819, 39855646, 55283638, 59783469, 79711292, 82925457, 110567276, 119566938, 159422584, 165850914, 221134552, 239133876, 331701828, 478267752, 663403656, 856896389, 1713792778, 2570689167, 3427585556, 5141378334, 6855171112, 10282756668, 20565513336]

約数ペア:

[(1, 20565513336), (2, 10282756668), (3, 6855171112), (4, 5141378334), (6, 3427585556), (8, 2570689167), (12, 1713792778), (24, 856896389), (31, 663403656), (43, 478267752), (62, 331701828), (86, 239133876), (93, 221134552), (124, 165850914), (129, 159422584), (172, 119566938), (186, 110567276), (248, 82925457), (258, 79711292), (344, 59783469), (372, 55283638), (516, 39855646), (744, 27641819), (1032, 19927823), (1333, 15427992), (2666, 7713996), (3999, 5142664), (5332, 3856998), (7998, 2571332), (10664, 1928499), (15996, 1285666), (31992, 642833)]