20284836

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11852

約数の個数: 48

約数和(自身を含む): 55610688

約数和(自身を除く): 35325852

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11821, 23642, 35463, 47284, 70926, 130031, 141852, 153673, 260062, 307346, 390093, 461019, 520124, 614692, 780186, 922038, 1560372, 1690403, 1844076, 3380806, 5071209, 6761612, 10142418, 20284836]

約数ペア:

[(1, 20284836), (2, 10142418), (3, 6761612), (4, 5071209), (6, 3380806), (11, 1844076), (12, 1690403), (13, 1560372), (22, 922038), (26, 780186), (33, 614692), (39, 520124), (44, 461019), (52, 390093), (66, 307346), (78, 260062), (132, 153673), (143, 141852), (156, 130031), (286, 70926), (429, 47284), (572, 35463), (858, 23642), (1716, 11821)]