20341457168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1\times {\mathrm{953}}^1$

素因数の和:1884

約数の個数: 80

約数和(自身を含む): 42256514160

約数和(自身を除く): 21915056992

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 776, 809, 953, 1552, 1618, 1649, 1906, 3236, 3298, 3812, 6472, 6596, 7624, 12944, 13192, 13753, 15248, 16201, 26384, 27506, 32402, 55012, 64804, 78473, 92441, 110024, 129608, 156946, 184882, 220048, 259216, 313892, 369764, 627784, 739528, 770977, 1255568, 1334041, 1479056, 1541954, 1571497, 2668082, 3083908, 3142994, 5336164, 6167816, 6285988, 10672328, 12335632, 12571976, 13106609, 21344656, 25143952, 26213218, 52426436, 74784769, 104852872, 149569538, 209705744, 299139076, 598278152, 1196556304, 1271341073, 2542682146, 5085364292, 10170728584, 20341457168]

約数ペア:

[(1, 20341457168), (2, 10170728584), (4, 5085364292), (8, 2542682146), (16, 1271341073), (17, 1196556304), (34, 598278152), (68, 299139076), (97, 209705744), (136, 149569538), (194, 104852872), (272, 74784769), (388, 52426436), (776, 26213218), (809, 25143952), (953, 21344656), (1552, 13106609), (1618, 12571976), (1649, 12335632), (1906, 10672328), (3236, 6285988), (3298, 6167816), (3812, 5336164), (6472, 3142994), (6596, 3083908), (7624, 2668082), (12944, 1571497), (13192, 1541954), (13753, 1479056), (15248, 1334041), (16201, 1255568), (26384, 770977), (27506, 739528), (32402, 627784), (55012, 369764), (64804, 313892), (78473, 259216), (92441, 220048), (110024, 184882), (129608, 156946)]