20370231

素因数分解:

$3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 35704800

約数和(自身を除く): 15334569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 89, 147, 173, 189, 267, 441, 519, 623, 801, 1211, 1323, 1557, 1869, 2403, 3633, 4361, 4671, 5607, 8477, 10899, 13083, 15397, 16821, 25431, 32697, 39249, 46191, 76293, 107779, 117747, 138573, 228879, 323337, 415719, 754453, 970011, 2263359, 2910033, 6790077, 20370231]

約数ペア:

[(1, 20370231), (3, 6790077), (7, 2910033), (9, 2263359), (21, 970011), (27, 754453), (49, 415719), (63, 323337), (89, 228879), (147, 138573), (173, 117747), (189, 107779), (267, 76293), (441, 46191), (519, 39249), (623, 32697), (801, 25431), (1211, 16821), (1323, 15397), (1557, 13083), (1869, 10899), (2403, 8477), (3633, 5607), (4361, 4671)]