20547400100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5011561}}^1$

素因数の和:5011616

約数の個数: 36

約数和(自身を含む): 45675376068

約数和(自身を除く): 25127975968

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 5011561, 10023122, 20046244, 25057805, 50115610, 100231220, 125289025, 205474001, 250578050, 410948002, 501156100, 821896004, 1027370005, 2054740010, 4109480020, 5136850025, 10273700050, 20547400100]

約数ペア:

[(1, 20547400100), (2, 10273700050), (4, 5136850025), (5, 4109480020), (10, 2054740010), (20, 1027370005), (25, 821896004), (41, 501156100), (50, 410948002), (82, 250578050), (100, 205474001), (164, 125289025), (205, 100231220), (410, 50115610), (820, 25057805), (1025, 20046244), (2050, 10023122), (4100, 5011561)]