20936175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 16873905

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 195, 197, 325, 327, 545, 591, 975, 985, 1417, 1635, 2561, 2725, 2955, 4251, 4925, 7085, 7683, 8175, 12805, 14775, 21255, 21473, 35425, 38415, 64025, 64419, 106275, 107365, 192075, 279149, 322095, 536825, 837447, 1395745, 1610475, 4187235, 6978725, 20936175]

約数ペア:

[(1, 20936175), (3, 6978725), (5, 4187235), (13, 1610475), (15, 1395745), (25, 837447), (39, 536825), (65, 322095), (75, 279149), (109, 192075), (195, 107365), (197, 106275), (325, 64419), (327, 64025), (545, 38415), (591, 35425), (975, 21473), (985, 21255), (1417, 14775), (1635, 12805), (2561, 8175), (2725, 7683), (2955, 7085), (4251, 4925)]