20121129578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{12653}}^1$

素因数の和:12791

約数の個数: 48

約数和(自身を含む): 34535701728

約数和(自身を除く): 14414572150

約数列:

[1, 2, 11, 22, 41, 43, 82, 86, 451, 473, 902, 946, 1681, 1763, 3362, 3526, 12653, 18491, 19393, 25306, 36982, 38786, 72283, 139183, 144566, 278366, 518773, 544079, 795113, 1037546, 1088158, 1590226, 5706503, 5984869, 11413006, 11969738, 21269693, 22307239, 42539386, 44614478, 233966623, 245379629, 467933246, 490759258, 914596799, 1829193598, 10060564789, 20121129578]

約数ペア:

[(1, 20121129578), (2, 10060564789), (11, 1829193598), (22, 914596799), (41, 490759258), (43, 467933246), (82, 245379629), (86, 233966623), (451, 44614478), (473, 42539386), (902, 22307239), (946, 21269693), (1681, 11969738), (1763, 11413006), (3362, 5984869), (3526, 5706503), (12653, 1590226), (18491, 1088158), (19393, 1037546), (25306, 795113), (36982, 544079), (38786, 518773), (72283, 278366), (139183, 144566)]