20569890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 54577152

約数和(自身を除く): 34007262

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 83, 110, 165, 166, 249, 330, 415, 498, 751, 830, 913, 1245, 1502, 1826, 2253, 2490, 2739, 3755, 4506, 4565, 5478, 7510, 8261, 9130, 11265, 13695, 16522, 22530, 24783, 27390, 41305, 49566, 62333, 82610, 123915, 124666, 186999, 247830, 311665, 373998, 623330, 685663, 934995, 1371326, 1869990, 2056989, 3428315, 4113978, 6856630, 10284945, 20569890]

約数ペア:

[(1, 20569890), (2, 10284945), (3, 6856630), (5, 4113978), (6, 3428315), (10, 2056989), (11, 1869990), (15, 1371326), (22, 934995), (30, 685663), (33, 623330), (55, 373998), (66, 311665), (83, 247830), (110, 186999), (165, 124666), (166, 123915), (249, 82610), (330, 62333), (415, 49566), (498, 41305), (751, 27390), (830, 24783), (913, 22530), (1245, 16522), (1502, 13695), (1826, 11265), (2253, 9130), (2490, 8261), (2739, 7510), (3755, 5478), (4506, 4565)]