20792512

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 56

約数和(自身を含む): 45218096

約数和(自身を除く): 24425584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 373, 416, 536, 746, 832, 871, 1072, 1492, 1742, 2144, 2984, 3484, 4288, 4849, 5968, 6968, 9698, 11936, 13936, 19396, 23872, 24991, 27872, 38792, 49982, 55744, 77584, 99964, 155168, 199928, 310336, 324883, 399856, 649766, 799712, 1299532, 1599424, 2599064, 5198128, 10396256, 20792512]

約数ペア:

[(1, 20792512), (2, 10396256), (4, 5198128), (8, 2599064), (13, 1599424), (16, 1299532), (26, 799712), (32, 649766), (52, 399856), (64, 324883), (67, 310336), (104, 199928), (134, 155168), (208, 99964), (268, 77584), (373, 55744), (416, 49982), (536, 38792), (746, 27872), (832, 24991), (871, 23872), (1072, 19396), (1492, 13936), (1742, 11936), (2144, 9698), (2984, 6968), (3484, 5968), (4288, 4849)]