20403291258

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331147}}^1$

素因数の和:331328

約数の個数: 64

約数和(自身を含む): 52135941120

約数和(自身を除く): 31732649862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 163, 189, 326, 378, 489, 978, 1141, 1467, 2282, 2934, 3423, 4401, 6846, 8802, 10269, 20538, 30807, 61614, 331147, 662294, 993441, 1986882, 2318029, 2980323, 4636058, 5960646, 6954087, 8940969, 13908174, 17881938, 20862261, 41724522, 53976961, 62586783, 107953922, 125173566, 161930883, 323861766, 377838727, 485792649, 755677454, 971585298, 1133516181, 1457377947, 2267032362, 2914755894, 3400548543, 6801097086, 10201645629, 20403291258]

約数ペア:

[(1, 20403291258), (2, 10201645629), (3, 6801097086), (6, 3400548543), (7, 2914755894), (9, 2267032362), (14, 1457377947), (18, 1133516181), (21, 971585298), (27, 755677454), (42, 485792649), (54, 377838727), (63, 323861766), (126, 161930883), (163, 125173566), (189, 107953922), (326, 62586783), (378, 53976961), (489, 41724522), (978, 20862261), (1141, 17881938), (1467, 13908174), (2282, 8940969), (2934, 6954087), (3423, 5960646), (4401, 4636058), (6846, 2980323), (8802, 2318029), (10269, 1986882), (20538, 993441), (30807, 662294), (61614, 331147)]