20185546580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{253651}}^1$

素因数の和:253856

約数の個数: 48

約数和(自身を含む): 44488531584

約数和(自身を除く): 24302985004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 460, 692, 865, 1730, 3460, 3979, 7958, 15916, 19895, 39790, 79580, 253651, 507302, 1014604, 1268255, 2536510, 5073020, 5833973, 11667946, 23335892, 29169865, 43881623, 58339730, 87763246, 116679460, 175526492, 219408115, 438816230, 877632460, 1009277329, 2018554658, 4037109316, 5046386645, 10092773290, 20185546580]

約数ペア:

[(1, 20185546580), (2, 10092773290), (4, 5046386645), (5, 4037109316), (10, 2018554658), (20, 1009277329), (23, 877632460), (46, 438816230), (92, 219408115), (115, 175526492), (173, 116679460), (230, 87763246), (346, 58339730), (460, 43881623), (692, 29169865), (865, 23335892), (1730, 11667946), (3460, 5833973), (3979, 5073020), (7958, 2536510), (15916, 1268255), (19895, 1014604), (39790, 507302), (79580, 253651)]