20871036162

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{136879}}^1$

素因数の和:137127

約数の個数: 48

約数和(自身を含む): 46507443840

約数和(自身を除く): 25636407678

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 197, 258, 387, 394, 591, 774, 1182, 1773, 3546, 8471, 16942, 25413, 50826, 76239, 136879, 152478, 273758, 410637, 821274, 1231911, 2463822, 5885797, 11771594, 17657391, 26965163, 35314782, 52972173, 53930326, 80895489, 105944346, 161790978, 242686467, 485372934, 1159502009, 2319004018, 3478506027, 6957012054, 10435518081, 20871036162]

約数ペア:

[(1, 20871036162), (2, 10435518081), (3, 6957012054), (6, 3478506027), (9, 2319004018), (18, 1159502009), (43, 485372934), (86, 242686467), (129, 161790978), (197, 105944346), (258, 80895489), (387, 53930326), (394, 52972173), (591, 35314782), (774, 26965163), (1182, 17657391), (1773, 11771594), (3546, 5885797), (8471, 2463822), (16942, 1231911), (25413, 821274), (50826, 410637), (76239, 273758), (136879, 152478)]