20620260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 63246456

約数和(自身を除く): 42626196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1181, 1455, 1746, 1940, 2362, 2910, 3492, 3543, 4365, 4724, 5820, 5905, 7086, 8730, 10629, 11810, 14172, 17460, 17715, 21258, 23620, 35430, 42516, 53145, 70860, 106290, 114557, 212580, 229114, 343671, 458228, 572785, 687342, 1031013, 1145570, 1374684, 1718355, 2062026, 2291140, 3436710, 4124052, 5155065, 6873420, 10310130, 20620260]

約数ペア:

[(1, 20620260), (2, 10310130), (3, 6873420), (4, 5155065), (5, 4124052), (6, 3436710), (9, 2291140), (10, 2062026), (12, 1718355), (15, 1374684), (18, 1145570), (20, 1031013), (30, 687342), (36, 572785), (45, 458228), (60, 343671), (90, 229114), (97, 212580), (180, 114557), (194, 106290), (291, 70860), (388, 53145), (485, 42516), (582, 35430), (873, 23620), (970, 21258), (1164, 17715), (1181, 17460), (1455, 14172), (1746, 11810), (1940, 10629), (2362, 8730), (2910, 7086), (3492, 5905), (3543, 5820), (4365, 4724)]