20199145936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1\times {\mathrm{1669}}^1$

素因数の和:2708

約数の個数: 80

約数和(自身を含む): 42269169600

約数和(自身を除く): 22070023664

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 971, 1558, 1669, 1942, 3116, 3338, 3884, 6232, 6676, 7768, 12464, 13352, 15536, 18449, 26704, 31711, 36898, 39811, 63422, 68429, 73796, 79622, 126844, 136858, 147592, 159244, 253688, 273716, 295184, 318488, 507376, 547432, 636976, 756409, 1094864, 1300151, 1512818, 1620599, 2600302, 3025636, 3241198, 5200604, 6051272, 6482396, 10401208, 12102544, 12964792, 20802416, 25929584, 30791381, 61582762, 66444559, 123165524, 132889118, 246331048, 265778236, 492662096, 531556472, 1063112944, 1262446621, 2524893242, 5049786484, 10099572968, 20199145936]

約数ペア:

[(1, 20199145936), (2, 10099572968), (4, 5049786484), (8, 2524893242), (16, 1262446621), (19, 1063112944), (38, 531556472), (41, 492662096), (76, 265778236), (82, 246331048), (152, 132889118), (164, 123165524), (304, 66444559), (328, 61582762), (656, 30791381), (779, 25929584), (971, 20802416), (1558, 12964792), (1669, 12102544), (1942, 10401208), (3116, 6482396), (3338, 6051272), (3884, 5200604), (6232, 3241198), (6676, 3025636), (7768, 2600302), (12464, 1620599), (13352, 1512818), (15536, 1300151), (18449, 1094864), (26704, 756409), (31711, 636976), (36898, 547432), (39811, 507376), (63422, 318488), (68429, 295184), (73796, 273716), (79622, 253688), (126844, 159244), (136858, 147592)]