20977368

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 55728000

約数和(自身を除く): 34750632

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 179, 228, 257, 358, 456, 514, 537, 716, 771, 1028, 1074, 1432, 1542, 2056, 2148, 3084, 3401, 4296, 4883, 6168, 6802, 9766, 10203, 13604, 14649, 19532, 20406, 27208, 29298, 39064, 40812, 46003, 58596, 81624, 92006, 117192, 138009, 184012, 276018, 368024, 552036, 874057, 1104072, 1748114, 2622171, 3496228, 5244342, 6992456, 10488684, 20977368]

約数ペア:

[(1, 20977368), (2, 10488684), (3, 6992456), (4, 5244342), (6, 3496228), (8, 2622171), (12, 1748114), (19, 1104072), (24, 874057), (38, 552036), (57, 368024), (76, 276018), (114, 184012), (152, 138009), (179, 117192), (228, 92006), (257, 81624), (358, 58596), (456, 46003), (514, 40812), (537, 39064), (716, 29298), (771, 27208), (1028, 20406), (1074, 19532), (1432, 14649), (1542, 13604), (2056, 10203), (2148, 9766), (3084, 6802), (3401, 6168), (4296, 4883)]