20656300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 53496576

約数和(自身を除く): 32840276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1283, 1610, 2300, 2566, 3220, 4025, 5132, 6415, 8050, 8981, 12830, 16100, 17962, 25660, 29509, 32075, 35924, 44905, 59018, 64150, 89810, 118036, 128300, 147545, 179620, 206563, 224525, 295090, 413126, 449050, 590180, 737725, 826252, 898100, 1032815, 1475450, 2065630, 2950900, 4131260, 5164075, 10328150, 20656300]

約数ペア:

[(1, 20656300), (2, 10328150), (4, 5164075), (5, 4131260), (7, 2950900), (10, 2065630), (14, 1475450), (20, 1032815), (23, 898100), (25, 826252), (28, 737725), (35, 590180), (46, 449050), (50, 413126), (70, 295090), (92, 224525), (100, 206563), (115, 179620), (140, 147545), (161, 128300), (175, 118036), (230, 89810), (322, 64150), (350, 59018), (460, 44905), (575, 35924), (644, 32075), (700, 29509), (805, 25660), (1150, 17962), (1283, 16100), (1610, 12830), (2300, 8981), (2566, 8050), (3220, 6415), (4025, 5132)]