20911236

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 30268284

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 67, 93, 124, 134, 186, 201, 268, 372, 402, 804, 839, 1678, 2077, 2517, 3356, 4154, 5034, 6231, 8308, 10068, 12462, 24924, 26009, 52018, 56213, 78027, 104036, 112426, 156054, 168639, 224852, 312108, 337278, 674556, 1742603, 3485206, 5227809, 6970412, 10455618, 20911236]

約数ペア:

[(1, 20911236), (2, 10455618), (3, 6970412), (4, 5227809), (6, 3485206), (12, 1742603), (31, 674556), (62, 337278), (67, 312108), (93, 224852), (124, 168639), (134, 156054), (186, 112426), (201, 104036), (268, 78027), (372, 56213), (402, 52018), (804, 26009), (839, 24924), (1678, 12462), (2077, 10068), (2517, 8308), (3356, 6231), (4154, 5034)]