20653886240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9929753}}^1$

素因数の和:9929781

約数の個数: 48

約数和(自身を含む): 52548258168

約数和(自身を除く): 31894371928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9929753, 19859506, 39719012, 49648765, 79438024, 99297530, 129086789, 158876048, 198595060, 258173578, 317752096, 397190120, 516347156, 645433945, 794380240, 1032694312, 1290867890, 1588760480, 2065388624, 2581735780, 4130777248, 5163471560, 10326943120, 20653886240]

約数ペア:

[(1, 20653886240), (2, 10326943120), (4, 5163471560), (5, 4130777248), (8, 2581735780), (10, 2065388624), (13, 1588760480), (16, 1290867890), (20, 1032694312), (26, 794380240), (32, 645433945), (40, 516347156), (52, 397190120), (65, 317752096), (80, 258173578), (104, 198595060), (130, 158876048), (160, 129086789), (208, 99297530), (260, 79438024), (416, 49648765), (520, 39719012), (1040, 19859506), (2080, 9929753)]