20601330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 52427520

約数和(自身を除く): 31826190

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 345, 365, 409, 438, 690, 730, 818, 1095, 1227, 1679, 2045, 2190, 2454, 3358, 4090, 5037, 6135, 8395, 9407, 10074, 12270, 16790, 18814, 25185, 28221, 29857, 47035, 50370, 56442, 59714, 89571, 94070, 141105, 149285, 179142, 282210, 298570, 447855, 686711, 895710, 1373422, 2060133, 3433555, 4120266, 6867110, 10300665, 20601330]

約数ペア:

[(1, 20601330), (2, 10300665), (3, 6867110), (5, 4120266), (6, 3433555), (10, 2060133), (15, 1373422), (23, 895710), (30, 686711), (46, 447855), (69, 298570), (73, 282210), (115, 179142), (138, 149285), (146, 141105), (219, 94070), (230, 89571), (345, 59714), (365, 56442), (409, 50370), (438, 47035), (690, 29857), (730, 28221), (818, 25185), (1095, 18814), (1227, 16790), (1679, 12270), (2045, 10074), (2190, 9407), (2454, 8395), (3358, 6135), (4090, 5037)]