20177500820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1\times {\mathrm{16759}}^1$

素因数の和:18432

約数の個数: 48

約数和(自身を含む): 43547306880

約数和(自身を除く): 23369806060

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1627, 3254, 6508, 8135, 16270, 16759, 32540, 33518, 60199, 67036, 83795, 120398, 167590, 240796, 300995, 335180, 601990, 620083, 1203980, 1240166, 2480332, 3100415, 6200830, 12401660, 27266893, 54533786, 109067572, 136334465, 272668930, 545337860, 1008875041, 2017750082, 4035500164, 5044375205, 10088750410, 20177500820]

約数ペア:

[(1, 20177500820), (2, 10088750410), (4, 5044375205), (5, 4035500164), (10, 2017750082), (20, 1008875041), (37, 545337860), (74, 272668930), (148, 136334465), (185, 109067572), (370, 54533786), (740, 27266893), (1627, 12401660), (3254, 6200830), (6508, 3100415), (8135, 2480332), (16270, 1240166), (16759, 1203980), (32540, 620083), (33518, 601990), (60199, 335180), (67036, 300995), (83795, 240796), (120398, 167590)]