20298608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 45934560

約数和(自身を除く): 25635952

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 41, 44, 58, 82, 88, 97, 116, 164, 176, 194, 232, 319, 328, 388, 451, 464, 638, 656, 776, 902, 1067, 1189, 1276, 1552, 1804, 2134, 2378, 2552, 2813, 3608, 3977, 4268, 4756, 5104, 5626, 7216, 7954, 8536, 9512, 11252, 13079, 15908, 17072, 19024, 22504, 26158, 30943, 31816, 43747, 45008, 52316, 61886, 63632, 87494, 104632, 115333, 123772, 174988, 209264, 230666, 247544, 349976, 461332, 495088, 699952, 922664, 1268663, 1845328, 2537326, 5074652, 10149304, 20298608]

約数ペア:

[(1, 20298608), (2, 10149304), (4, 5074652), (8, 2537326), (11, 1845328), (16, 1268663), (22, 922664), (29, 699952), (41, 495088), (44, 461332), (58, 349976), (82, 247544), (88, 230666), (97, 209264), (116, 174988), (164, 123772), (176, 115333), (194, 104632), (232, 87494), (319, 63632), (328, 61886), (388, 52316), (451, 45008), (464, 43747), (638, 31816), (656, 30943), (776, 26158), (902, 22504), (1067, 19024), (1189, 17072), (1276, 15908), (1552, 13079), (1804, 11252), (2134, 9512), (2378, 8536), (2552, 7954), (2813, 7216), (3608, 5626), (3977, 5104), (4268, 4756)]