20168056100

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{509}}^1\times {\mathrm{2053}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 44099338920

約数和(自身を除く): 23931282820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 509, 772, 965, 1018, 1930, 2036, 2053, 2545, 3860, 4106, 4825, 5090, 8212, 9650, 10180, 10265, 12725, 19300, 20530, 25450, 41060, 50900, 51325, 98237, 102650, 196474, 205300, 392948, 396229, 491185, 792458, 982370, 1044977, 1584916, 1964740, 1981145, 2089954, 2455925, 3962290, 4179908, 4911850, 5224885, 7924580, 9823700, 9905725, 10449770, 19811450, 20899540, 26124425, 39622900, 52248850, 104497700, 201680561, 403361122, 806722244, 1008402805, 2016805610, 4033611220, 5042014025, 10084028050, 20168056100]

約数ペア:

[(1, 20168056100), (2, 10084028050), (4, 5042014025), (5, 4033611220), (10, 2016805610), (20, 1008402805), (25, 806722244), (50, 403361122), (100, 201680561), (193, 104497700), (386, 52248850), (509, 39622900), (772, 26124425), (965, 20899540), (1018, 19811450), (1930, 10449770), (2036, 9905725), (2053, 9823700), (2545, 7924580), (3860, 5224885), (4106, 4911850), (4825, 4179908), (5090, 3962290), (8212, 2455925), (9650, 2089954), (10180, 1981145), (10265, 1964740), (12725, 1584916), (19300, 1044977), (20530, 982370), (25450, 792458), (41060, 491185), (50900, 396229), (51325, 392948), (98237, 205300), (102650, 196474)]