20117650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 23004590

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 229, 251, 350, 458, 502, 1145, 1255, 1603, 1757, 2290, 2510, 3206, 3514, 5725, 6275, 8015, 8785, 11450, 12550, 16030, 17570, 40075, 43925, 57479, 80150, 87850, 114958, 287395, 402353, 574790, 804706, 1436975, 2011765, 2873950, 4023530, 10058825, 20117650]

約数ペア:

[(1, 20117650), (2, 10058825), (5, 4023530), (7, 2873950), (10, 2011765), (14, 1436975), (25, 804706), (35, 574790), (50, 402353), (70, 287395), (175, 114958), (229, 87850), (251, 80150), (350, 57479), (458, 43925), (502, 40075), (1145, 17570), (1255, 16030), (1603, 12550), (1757, 11450), (2290, 8785), (2510, 8015), (3206, 6275), (3514, 5725)]