20229456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 80

約数和(自身を含む): 59621184

約数和(自身を除く): 39391728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1907, 2652, 3536, 3814, 5304, 5721, 7628, 10608, 11442, 15256, 22884, 24791, 30512, 32419, 45768, 49582, 64838, 74373, 91536, 97257, 99164, 129676, 148746, 194514, 198328, 259352, 297492, 389028, 396656, 421447, 518704, 594984, 778056, 842894, 1189968, 1264341, 1556112, 1685788, 2528682, 3371576, 5057364, 6743152, 10114728, 20229456]

約数ペア:

[(1, 20229456), (2, 10114728), (3, 6743152), (4, 5057364), (6, 3371576), (8, 2528682), (12, 1685788), (13, 1556112), (16, 1264341), (17, 1189968), (24, 842894), (26, 778056), (34, 594984), (39, 518704), (48, 421447), (51, 396656), (52, 389028), (68, 297492), (78, 259352), (102, 198328), (104, 194514), (136, 148746), (156, 129676), (204, 99164), (208, 97257), (221, 91536), (272, 74373), (312, 64838), (408, 49582), (442, 45768), (624, 32419), (663, 30512), (816, 24791), (884, 22884), (1326, 15256), (1768, 11442), (1907, 10608), (2652, 7628), (3536, 5721), (3814, 5304)]