20198491785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1027129}}^1$

素因数の和:1027182

約数の個数: 48

約数和(自身を含む): 38455747200

約数和(自身を除く): 18257255415

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 6555, 19665, 1027129, 3081387, 5135645, 9244161, 15406935, 19515451, 23623967, 46220805, 58546353, 70871901, 97577255, 118119835, 175639059, 212615703, 292731765, 354359505, 448855373, 878195295, 1063078515, 1346566119, 2244276865, 4039698357, 6732830595, 20198491785]

約数ペア:

[(1, 20198491785), (3, 6732830595), (5, 4039698357), (9, 2244276865), (15, 1346566119), (19, 1063078515), (23, 878195295), (45, 448855373), (57, 354359505), (69, 292731765), (95, 212615703), (115, 175639059), (171, 118119835), (207, 97577255), (285, 70871901), (345, 58546353), (437, 46220805), (855, 23623967), (1035, 19515451), (1311, 15406935), (2185, 9244161), (3933, 5135645), (6555, 3081387), (19665, 1027129)]