20269504

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 56

約数和(自身を含む): 43078400

約数和(自身を除く): 22808896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 152, 158, 211, 304, 316, 422, 608, 632, 844, 1216, 1264, 1501, 1688, 2528, 3002, 3376, 4009, 5056, 6004, 6752, 8018, 12008, 13504, 16036, 16669, 24016, 32072, 33338, 48032, 64144, 66676, 96064, 128288, 133352, 256576, 266704, 316711, 533408, 633422, 1066816, 1266844, 2533688, 5067376, 10134752, 20269504]

約数ペア:

[(1, 20269504), (2, 10134752), (4, 5067376), (8, 2533688), (16, 1266844), (19, 1066816), (32, 633422), (38, 533408), (64, 316711), (76, 266704), (79, 256576), (152, 133352), (158, 128288), (211, 96064), (304, 66676), (316, 64144), (422, 48032), (608, 33338), (632, 32072), (844, 24016), (1216, 16669), (1264, 16036), (1501, 13504), (1688, 12008), (2528, 8018), (3002, 6752), (3376, 6004), (4009, 5056)]