20026422

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 49572432

約数和(自身を除く): 29546010

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 61, 69, 78, 117, 122, 138, 183, 207, 234, 299, 366, 414, 549, 598, 793, 897, 1098, 1403, 1586, 1794, 2379, 2691, 2806, 3721, 4209, 4758, 5382, 7137, 7442, 8418, 11163, 12627, 14274, 18239, 22326, 25254, 33489, 36478, 48373, 54717, 66978, 85583, 96746, 109434, 145119, 164151, 171166, 256749, 290238, 328302, 435357, 513498, 770247, 870714, 1112579, 1540494, 2225158, 3337737, 6675474, 10013211, 20026422]

約数ペア:

[(1, 20026422), (2, 10013211), (3, 6675474), (6, 3337737), (9, 2225158), (13, 1540494), (18, 1112579), (23, 870714), (26, 770247), (39, 513498), (46, 435357), (61, 328302), (69, 290238), (78, 256749), (117, 171166), (122, 164151), (138, 145119), (183, 109434), (207, 96746), (234, 85583), (299, 66978), (366, 54717), (414, 48373), (549, 36478), (598, 33489), (793, 25254), (897, 22326), (1098, 18239), (1403, 14274), (1586, 12627), (1794, 11163), (2379, 8418), (2691, 7442), (2806, 7137), (3721, 5382), (4209, 4758)]