20536012

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 43223040

約数和(自身を除く): 22687028

約数列:

[1, 2, 4, 7, 14, 28, 31, 59, 62, 118, 124, 217, 236, 401, 413, 434, 802, 826, 868, 1604, 1652, 1829, 2807, 3658, 5614, 7316, 11228, 12431, 12803, 23659, 24862, 25606, 47318, 49724, 51212, 87017, 94636, 165613, 174034, 331226, 348068, 662452, 733429, 1466858, 2933716, 5134003, 10268006, 20536012]

約数ペア:

[(1, 20536012), (2, 10268006), (4, 5134003), (7, 2933716), (14, 1466858), (28, 733429), (31, 662452), (59, 348068), (62, 331226), (118, 174034), (124, 165613), (217, 94636), (236, 87017), (401, 51212), (413, 49724), (434, 47318), (802, 25606), (826, 24862), (868, 23659), (1604, 12803), (1652, 12431), (1829, 11228), (2807, 7316), (3658, 5614)]