20826050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 44669760

約数和(自身を除く): 23843710

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 157, 175, 314, 350, 379, 758, 785, 1099, 1570, 1895, 2198, 2653, 3790, 3925, 5306, 5495, 7850, 9475, 10990, 13265, 18950, 26530, 27475, 54950, 59503, 66325, 119006, 132650, 297515, 416521, 595030, 833042, 1487575, 2082605, 2975150, 4165210, 10413025, 20826050]

約数ペア:

[(1, 20826050), (2, 10413025), (5, 4165210), (7, 2975150), (10, 2082605), (14, 1487575), (25, 833042), (35, 595030), (50, 416521), (70, 297515), (157, 132650), (175, 119006), (314, 66325), (350, 59503), (379, 54950), (758, 27475), (785, 26530), (1099, 18950), (1570, 13265), (1895, 10990), (2198, 9475), (2653, 7850), (3790, 5495), (3925, 5306)]