20156218

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12502982

約数列:

[1, 2, 29, 53, 58, 79, 83, 106, 158, 166, 1537, 2291, 2407, 3074, 4187, 4399, 4582, 4814, 6557, 8374, 8798, 13114, 121423, 127571, 190153, 242846, 255142, 347521, 380306, 695042, 10078109, 20156218]

約数ペア:

[(1, 20156218), (2, 10078109), (29, 695042), (53, 380306), (58, 347521), (79, 255142), (83, 242846), (106, 190153), (158, 127571), (166, 121423), (1537, 13114), (2291, 8798), (2407, 8374), (3074, 6557), (4187, 4814), (4399, 4582)]