20275236

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 54722304

約数和(自身を除く): 34447068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 521, 564, 828, 846, 1042, 1081, 1563, 1692, 2084, 2162, 3126, 3243, 4324, 4689, 6252, 6486, 9378, 9729, 11983, 12972, 18756, 19458, 23966, 24487, 35949, 38916, 47932, 48974, 71898, 73461, 97948, 107847, 143796, 146922, 215694, 220383, 293844, 431388, 440766, 563201, 881532, 1126402, 1689603, 2252804, 3379206, 5068809, 6758412, 10137618, 20275236]

約数ペア:

[(1, 20275236), (2, 10137618), (3, 6758412), (4, 5068809), (6, 3379206), (9, 2252804), (12, 1689603), (18, 1126402), (23, 881532), (36, 563201), (46, 440766), (47, 431388), (69, 293844), (92, 220383), (94, 215694), (138, 146922), (141, 143796), (188, 107847), (207, 97948), (276, 73461), (282, 71898), (414, 48974), (423, 47932), (521, 38916), (564, 35949), (828, 24487), (846, 23966), (1042, 19458), (1081, 18756), (1563, 12972), (1692, 11983), (2084, 9729), (2162, 9378), (3126, 6486), (3243, 6252), (4324, 4689)]