20993340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4793}}^1$

素因数の和:4878

約数の個数: 48

約数和(自身を含む): 59599008

約数和(自身を除く): 38605668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4793, 9586, 14379, 19172, 23965, 28758, 47930, 57516, 71895, 95860, 143790, 287580, 349889, 699778, 1049667, 1399556, 1749445, 2099334, 3498890, 4198668, 5248335, 6997780, 10496670, 20993340]

約数ペア:

[(1, 20993340), (2, 10496670), (3, 6997780), (4, 5248335), (5, 4198668), (6, 3498890), (10, 2099334), (12, 1749445), (15, 1399556), (20, 1049667), (30, 699778), (60, 349889), (73, 287580), (146, 143790), (219, 95860), (292, 71895), (365, 57516), (438, 47930), (730, 28758), (876, 23965), (1095, 19172), (1460, 14379), (2190, 9586), (4380, 4793)]