20193934688

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{64217}}^1$

素因数の和:64575

約数の個数: 48

約数和(自身を含む): 41169389184

約数和(自身を除く): 20975454496

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 317, 496, 634, 992, 1268, 2536, 5072, 9827, 10144, 19654, 39308, 64217, 78616, 128434, 157232, 256868, 314464, 513736, 1027472, 1990727, 2054944, 3981454, 7962908, 15925816, 20356789, 31851632, 40713578, 63703264, 81427156, 162854312, 325708624, 631060459, 651417248, 1262120918, 2524241836, 5048483672, 10096967344, 20193934688]

約数ペア:

[(1, 20193934688), (2, 10096967344), (4, 5048483672), (8, 2524241836), (16, 1262120918), (31, 651417248), (32, 631060459), (62, 325708624), (124, 162854312), (248, 81427156), (317, 63703264), (496, 40713578), (634, 31851632), (992, 20356789), (1268, 15925816), (2536, 7962908), (5072, 3981454), (9827, 2054944), (10144, 1990727), (19654, 1027472), (39308, 513736), (64217, 314464), (78616, 256868), (128434, 157232)]