20121577730

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{4751}}^1$

素因数の和:5003

約数の個数: 64

約数和(自身を含む): 37801437696

約数和(自身を除く): 17679859966

約数列:

[1, 2, 5, 10, 53, 61, 106, 122, 131, 262, 265, 305, 530, 610, 655, 1310, 3233, 4751, 6466, 6943, 7991, 9502, 13886, 15982, 16165, 23755, 32330, 34715, 39955, 47510, 69430, 79910, 251803, 289811, 423523, 503606, 579622, 622381, 847046, 1244762, 1259015, 1449055, 2117615, 2518030, 2898110, 3111905, 4235230, 6223810, 15359983, 30719966, 32986193, 37965241, 65972386, 75930482, 76799915, 153599830, 164930965, 189826205, 329861930, 379652410, 2012157773, 4024315546, 10060788865, 20121577730]

約数ペア:

[(1, 20121577730), (2, 10060788865), (5, 4024315546), (10, 2012157773), (53, 379652410), (61, 329861930), (106, 189826205), (122, 164930965), (131, 153599830), (262, 76799915), (265, 75930482), (305, 65972386), (530, 37965241), (610, 32986193), (655, 30719966), (1310, 15359983), (3233, 6223810), (4751, 4235230), (6466, 3111905), (6943, 2898110), (7991, 2518030), (9502, 2117615), (13886, 1449055), (15982, 1259015), (16165, 1244762), (23755, 847046), (32330, 622381), (34715, 579622), (39955, 503606), (47510, 423523), (69430, 289811), (79910, 251803)]