20215431184

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{74021}}^1$

素因数の和:74156

約数の個数: 60

約数和(自身を含む): 42832534212

約数和(自身を除く): 22617103028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 169, 202, 208, 338, 404, 676, 808, 1313, 1352, 1616, 2626, 2704, 5252, 10504, 17069, 21008, 34138, 68276, 74021, 136552, 148042, 273104, 296084, 592168, 962273, 1184336, 1924546, 3849092, 7476121, 7698184, 12509549, 14952242, 15396368, 25019098, 29904484, 50038196, 59808968, 97189573, 100076392, 119617936, 194379146, 200152784, 388758292, 777516584, 1263464449, 1555033168, 2526928898, 5053857796, 10107715592, 20215431184]

約数ペア:

[(1, 20215431184), (2, 10107715592), (4, 5053857796), (8, 2526928898), (13, 1555033168), (16, 1263464449), (26, 777516584), (52, 388758292), (101, 200152784), (104, 194379146), (169, 119617936), (202, 100076392), (208, 97189573), (338, 59808968), (404, 50038196), (676, 29904484), (808, 25019098), (1313, 15396368), (1352, 14952242), (1616, 12509549), (2626, 7698184), (2704, 7476121), (5252, 3849092), (10504, 1924546), (17069, 1184336), (21008, 962273), (34138, 592168), (68276, 296084), (74021, 273104), (136552, 148042)]