20695350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10613}}^1$

素因数の和:10641

約数の個数: 48

約数和(自身を含む): 55277712

約数和(自身を除く): 34582362

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10613, 21226, 31839, 53065, 63678, 106130, 137969, 159195, 265325, 275938, 318390, 413907, 530650, 689845, 795975, 827814, 1379690, 1591950, 2069535, 3449225, 4139070, 6898450, 10347675, 20695350]

約数ペア:

[(1, 20695350), (2, 10347675), (3, 6898450), (5, 4139070), (6, 3449225), (10, 2069535), (13, 1591950), (15, 1379690), (25, 827814), (26, 795975), (30, 689845), (39, 530650), (50, 413907), (65, 318390), (75, 275938), (78, 265325), (130, 159195), (150, 137969), (195, 106130), (325, 63678), (390, 53065), (650, 31839), (975, 21226), (1950, 10613)]