20449935

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20192625

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 99, 135, 141, 165, 235, 293, 297, 423, 495, 517, 705, 879, 1269, 1465, 1485, 1551, 2115, 2585, 2637, 3223, 4395, 4653, 6345, 7755, 7911, 9669, 13185, 13771, 13959, 16115, 23265, 29007, 39555, 41313, 48345, 68855, 69795, 87021, 123939, 145035, 151481, 206565, 371817, 435105, 454443, 619695, 757405, 1363329, 1859085, 2272215, 4089987, 6816645, 20449935]

約数ペア:

[(1, 20449935), (3, 6816645), (5, 4089987), (9, 2272215), (11, 1859085), (15, 1363329), (27, 757405), (33, 619695), (45, 454443), (47, 435105), (55, 371817), (99, 206565), (135, 151481), (141, 145035), (165, 123939), (235, 87021), (293, 69795), (297, 68855), (423, 48345), (495, 41313), (517, 39555), (705, 29007), (879, 23265), (1269, 16115), (1465, 13959), (1485, 13771), (1551, 13185), (2115, 9669), (2585, 7911), (2637, 7755), (3223, 6345), (4395, 4653)]