20197310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 43239744

約数和(自身を除く): 23042434

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 877, 1645, 1754, 2303, 3290, 4385, 4606, 6139, 8770, 11515, 12278, 23030, 30695, 41219, 42973, 61390, 82438, 85946, 206095, 214865, 288533, 412190, 429730, 577066, 1442665, 2019731, 2885330, 4039462, 10098655, 20197310]

約数ペア:

[(1, 20197310), (2, 10098655), (5, 4039462), (7, 2885330), (10, 2019731), (14, 1442665), (35, 577066), (47, 429730), (49, 412190), (70, 288533), (94, 214865), (98, 206095), (235, 85946), (245, 82438), (329, 61390), (470, 42973), (490, 41219), (658, 30695), (877, 23030), (1645, 12278), (1754, 11515), (2303, 8770), (3290, 6139), (4385, 4606)]