20803728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 62058528

約数和(自身を除く): 41254800

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 41, 44, 48, 62, 66, 82, 88, 93, 123, 124, 132, 164, 176, 186, 246, 248, 264, 328, 341, 372, 451, 492, 496, 528, 656, 682, 744, 902, 961, 984, 1023, 1271, 1353, 1364, 1488, 1804, 1922, 1968, 2046, 2542, 2706, 2728, 2883, 3608, 3813, 3844, 4092, 5084, 5412, 5456, 5766, 7216, 7626, 7688, 8184, 10168, 10571, 10824, 11532, 13981, 15252, 15376, 16368, 20336, 21142, 21648, 23064, 27962, 30504, 31713, 39401, 41943, 42284, 46128, 55924, 61008, 63426, 78802, 83886, 84568, 111848, 118203, 126852, 157604, 167772, 169136, 223696, 236406, 253704, 315208, 335544, 433411, 472812, 507408, 630416, 671088, 866822, 945624, 1300233, 1733644, 1891248, 2600466, 3467288, 5200932, 6934576, 10401864, 20803728]

約数ペア:

[(1, 20803728), (2, 10401864), (3, 6934576), (4, 5200932), (6, 3467288), (8, 2600466), (11, 1891248), (12, 1733644), (16, 1300233), (22, 945624), (24, 866822), (31, 671088), (33, 630416), (41, 507408), (44, 472812), (48, 433411), (62, 335544), (66, 315208), (82, 253704), (88, 236406), (93, 223696), (123, 169136), (124, 167772), (132, 157604), (164, 126852), (176, 118203), (186, 111848), (246, 84568), (248, 83886), (264, 78802), (328, 63426), (341, 61008), (372, 55924), (451, 46128), (492, 42284), (496, 41943), (528, 39401), (656, 31713), (682, 30504), (744, 27962), (902, 23064), (961, 21648), (984, 21142), (1023, 20336), (1271, 16368), (1353, 15376), (1364, 15252), (1488, 13981), (1804, 11532), (1922, 10824), (1968, 10571), (2046, 10168), (2542, 8184), (2706, 7688), (2728, 7626), (2883, 7216), (3608, 5766), (3813, 5456), (3844, 5412), (4092, 5084)]