20341370780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1\times {\mathrm{16223}}^1$

素因数の和:17186

約数の個数: 48

約数和(自身を含む): 43370256384

約数和(自身を除く): 23028885604

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 883, 1420, 1766, 3532, 4415, 8830, 16223, 17660, 32446, 62693, 64892, 81115, 125386, 162230, 250772, 313465, 324460, 626930, 1151833, 1253860, 2303666, 4607332, 5759165, 11518330, 14324909, 23036660, 28649818, 57299636, 71624545, 143249090, 286498180, 1017068539, 2034137078, 4068274156, 5085342695, 10170685390, 20341370780]

約数ペア:

[(1, 20341370780), (2, 10170685390), (4, 5085342695), (5, 4068274156), (10, 2034137078), (20, 1017068539), (71, 286498180), (142, 143249090), (284, 71624545), (355, 57299636), (710, 28649818), (883, 23036660), (1420, 14324909), (1766, 11518330), (3532, 5759165), (4415, 4607332), (8830, 2303666), (16223, 1253860), (17660, 1151833), (32446, 626930), (62693, 324460), (64892, 313465), (81115, 250772), (125386, 162230)]