20006720

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 56

約数和(自身を含む): 48182784

約数和(自身を除く): 28176064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 607, 824, 1030, 1214, 1648, 2060, 2428, 3035, 3296, 4120, 4856, 6070, 6592, 8240, 9712, 12140, 16480, 19424, 24280, 32960, 38848, 48560, 62521, 97120, 125042, 194240, 250084, 312605, 500168, 625210, 1000336, 1250420, 2000672, 2500840, 4001344, 5001680, 10003360, 20006720]

約数ペア:

[(1, 20006720), (2, 10003360), (4, 5001680), (5, 4001344), (8, 2500840), (10, 2000672), (16, 1250420), (20, 1000336), (32, 625210), (40, 500168), (64, 312605), (80, 250084), (103, 194240), (160, 125042), (206, 97120), (320, 62521), (412, 48560), (515, 38848), (607, 32960), (824, 24280), (1030, 19424), (1214, 16480), (1648, 12140), (2060, 9712), (2428, 8240), (3035, 6592), (3296, 6070), (4120, 4856)]