20751648

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 38599392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 76, 93, 96, 114, 124, 152, 186, 228, 248, 304, 367, 372, 456, 496, 589, 608, 734, 744, 912, 992, 1101, 1178, 1468, 1488, 1767, 1824, 2202, 2356, 2936, 2976, 3534, 4404, 4712, 5872, 6973, 7068, 8808, 9424, 11377, 11744, 13946, 14136, 17616, 18848, 20919, 22754, 27892, 28272, 34131, 35232, 41838, 45508, 55784, 56544, 68262, 83676, 91016, 111568, 136524, 167352, 182032, 216163, 223136, 273048, 334704, 364064, 432326, 546096, 648489, 669408, 864652, 1092192, 1296978, 1729304, 2593956, 3458608, 5187912, 6917216, 10375824, 20751648]

約数ペア:

[(1, 20751648), (2, 10375824), (3, 6917216), (4, 5187912), (6, 3458608), (8, 2593956), (12, 1729304), (16, 1296978), (19, 1092192), (24, 864652), (31, 669408), (32, 648489), (38, 546096), (48, 432326), (57, 364064), (62, 334704), (76, 273048), (93, 223136), (96, 216163), (114, 182032), (124, 167352), (152, 136524), (186, 111568), (228, 91016), (248, 83676), (304, 68262), (367, 56544), (372, 55784), (456, 45508), (496, 41838), (589, 35232), (608, 34131), (734, 28272), (744, 27892), (912, 22754), (992, 20919), (1101, 18848), (1178, 17616), (1468, 14136), (1488, 13946), (1767, 11744), (1824, 11377), (2202, 9424), (2356, 8808), (2936, 7068), (2976, 6973), (3534, 5872), (4404, 4712)]