20347621040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6203543}}^1$

素因数の和:6203597

約数の個数: 40

約数和(自身を含む): 48462085728

約数和(自身を除く): 28114464688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6203543, 12407086, 24814172, 31017715, 49628344, 62035430, 99256688, 124070860, 248141720, 254345263, 496283440, 508690526, 1017381052, 1271726315, 2034762104, 2543452630, 4069524208, 5086905260, 10173810520, 20347621040]

約数ペア:

[(1, 20347621040), (2, 10173810520), (4, 5086905260), (5, 4069524208), (8, 2543452630), (10, 2034762104), (16, 1271726315), (20, 1017381052), (40, 508690526), (41, 496283440), (80, 254345263), (82, 248141720), (164, 124070860), (205, 99256688), (328, 62035430), (410, 49628344), (656, 31017715), (820, 24814172), (1640, 12407086), (3280, 6203543)]