20954533550

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{257}}^1\times {\mathrm{14431}}^1$

素因数の和:14813

約数の個数: 48

約数和(自身を含む): 39476080512

約数和(自身を除く): 18521546962

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 257, 514, 565, 1130, 1285, 2570, 2825, 5650, 6425, 12850, 14431, 28862, 29041, 58082, 72155, 144310, 145205, 290410, 360775, 721550, 726025, 1452050, 1630703, 3261406, 3708767, 7417534, 8153515, 16307030, 18543835, 37087670, 40767575, 81535150, 92719175, 185438350, 419090671, 838181342, 2095453355, 4190906710, 10477266775, 20954533550]

約数ペア:

[(1, 20954533550), (2, 10477266775), (5, 4190906710), (10, 2095453355), (25, 838181342), (50, 419090671), (113, 185438350), (226, 92719175), (257, 81535150), (514, 40767575), (565, 37087670), (1130, 18543835), (1285, 16307030), (2570, 8153515), (2825, 7417534), (5650, 3708767), (6425, 3261406), (12850, 1630703), (14431, 1452050), (28862, 726025), (29041, 721550), (58082, 360775), (72155, 290410), (144310, 145205)]