20331252

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 34705548

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 239, 278, 306, 417, 478, 556, 612, 717, 834, 956, 1251, 1434, 1668, 2151, 2363, 2502, 2868, 4063, 4302, 4726, 5004, 7089, 8126, 8604, 9452, 12189, 14178, 16252, 21267, 24378, 28356, 33221, 36567, 42534, 48756, 66442, 73134, 85068, 99663, 132884, 146268, 199326, 298989, 398652, 564757, 597978, 1129514, 1195956, 1694271, 2259028, 3388542, 5082813, 6777084, 10165626, 20331252]

約数ペア:

[(1, 20331252), (2, 10165626), (3, 6777084), (4, 5082813), (6, 3388542), (9, 2259028), (12, 1694271), (17, 1195956), (18, 1129514), (34, 597978), (36, 564757), (51, 398652), (68, 298989), (102, 199326), (139, 146268), (153, 132884), (204, 99663), (239, 85068), (278, 73134), (306, 66442), (417, 48756), (478, 42534), (556, 36567), (612, 33221), (717, 28356), (834, 24378), (956, 21267), (1251, 16252), (1434, 14178), (1668, 12189), (2151, 9452), (2363, 8604), (2502, 8126), (2868, 7089), (4063, 5004), (4302, 4726)]