20109372

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 29887428

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 89, 114, 178, 228, 267, 356, 534, 991, 1068, 1691, 1982, 2973, 3382, 3964, 5073, 5946, 6764, 10146, 11892, 18829, 20292, 37658, 56487, 75316, 88199, 112974, 176398, 225948, 264597, 352796, 529194, 1058388, 1675781, 3351562, 5027343, 6703124, 10054686, 20109372]

約数ペア:

[(1, 20109372), (2, 10054686), (3, 6703124), (4, 5027343), (6, 3351562), (12, 1675781), (19, 1058388), (38, 529194), (57, 352796), (76, 264597), (89, 225948), (114, 176398), (178, 112974), (228, 88199), (267, 75316), (356, 56487), (534, 37658), (991, 20292), (1068, 18829), (1691, 11892), (1982, 10146), (2973, 6764), (3382, 5946), (3964, 5073)]