20199937768

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1\times {\mathrm{733}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 39265799760

約数和(自身を除く): 19065861992

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 296, 314, 593, 628, 733, 1186, 1256, 1466, 2372, 2932, 4744, 5809, 5864, 11618, 21941, 23236, 27121, 43882, 46472, 54242, 87764, 93101, 108484, 115081, 175528, 186202, 216968, 230162, 372404, 434669, 460324, 744808, 869338, 920648, 1738676, 3444737, 3477352, 4257997, 6889474, 8515994, 13778948, 16082753, 17031988, 27557896, 32165506, 34063976, 64331012, 68243033, 128662024, 136486066, 272972132, 545944264, 2524992221, 5049984442, 10099968884, 20199937768]

約数ペア:

[(1, 20199937768), (2, 10099968884), (4, 5049984442), (8, 2524992221), (37, 545944264), (74, 272972132), (148, 136486066), (157, 128662024), (296, 68243033), (314, 64331012), (593, 34063976), (628, 32165506), (733, 27557896), (1186, 17031988), (1256, 16082753), (1466, 13778948), (2372, 8515994), (2932, 6889474), (4744, 4257997), (5809, 3477352), (5864, 3444737), (11618, 1738676), (21941, 920648), (23236, 869338), (27121, 744808), (43882, 460324), (46472, 434669), (54242, 372404), (87764, 230162), (93101, 216968), (108484, 186202), (115081, 175528)]