20151516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 59447808

約数和(自身を除く): 39296292

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 113, 132, 154, 193, 226, 231, 308, 339, 386, 452, 462, 579, 678, 772, 791, 924, 1158, 1243, 1351, 1356, 1582, 2123, 2316, 2373, 2486, 2702, 3164, 3729, 4053, 4246, 4746, 4972, 5404, 6369, 7458, 8106, 8492, 8701, 9492, 12738, 14861, 14916, 16212, 17402, 21809, 25476, 26103, 29722, 34804, 43618, 44583, 52206, 59444, 65427, 87236, 89166, 104412, 130854, 152663, 178332, 239899, 261708, 305326, 457989, 479798, 610652, 719697, 915978, 959596, 1439394, 1679293, 1831956, 2878788, 3358586, 5037879, 6717172, 10075758, 20151516]

約数ペア:

[(1, 20151516), (2, 10075758), (3, 6717172), (4, 5037879), (6, 3358586), (7, 2878788), (11, 1831956), (12, 1679293), (14, 1439394), (21, 959596), (22, 915978), (28, 719697), (33, 610652), (42, 479798), (44, 457989), (66, 305326), (77, 261708), (84, 239899), (113, 178332), (132, 152663), (154, 130854), (193, 104412), (226, 89166), (231, 87236), (308, 65427), (339, 59444), (386, 52206), (452, 44583), (462, 43618), (579, 34804), (678, 29722), (772, 26103), (791, 25476), (924, 21809), (1158, 17402), (1243, 16212), (1351, 14916), (1356, 14861), (1582, 12738), (2123, 9492), (2316, 8701), (2373, 8492), (2486, 8106), (2702, 7458), (3164, 6369), (3729, 5404), (4053, 4972), (4246, 4746)]