20475350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3117

約数の個数: 48

約数和(自身を含む): 45830400

約数和(自身を除く): 25355050

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3079, 3325, 6158, 6650, 15395, 21553, 30790, 43106, 58501, 76975, 107765, 117002, 153950, 215530, 292505, 409507, 538825, 585010, 819014, 1077650, 1462525, 2047535, 2925050, 4095070, 10237675, 20475350]

約数ペア:

[(1, 20475350), (2, 10237675), (5, 4095070), (7, 2925050), (10, 2047535), (14, 1462525), (19, 1077650), (25, 819014), (35, 585010), (38, 538825), (50, 409507), (70, 292505), (95, 215530), (133, 153950), (175, 117002), (190, 107765), (266, 76975), (350, 58501), (475, 43106), (665, 30790), (950, 21553), (1330, 15395), (3079, 6650), (3325, 6158)]