20132689465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{644143}}^1$

素因数の和:644221

約数の個数: 32

約数和(自身を含む): 29682155520

約数和(自身を除く): 9549466055

約数列:

[1, 5, 7, 19, 35, 47, 95, 133, 235, 329, 665, 893, 1645, 4465, 6251, 31255, 644143, 3220715, 4509001, 12238717, 22545005, 30274721, 61193585, 85671019, 151373605, 211923047, 428355095, 575219699, 1059615235, 2876098495, 4026537893, 20132689465]

約数ペア:

[(1, 20132689465), (5, 4026537893), (7, 2876098495), (19, 1059615235), (35, 575219699), (47, 428355095), (95, 211923047), (133, 151373605), (235, 85671019), (329, 61193585), (665, 30274721), (893, 22545005), (1645, 12238717), (4465, 4509001), (6251, 3220715), (31255, 644143)]