20121355876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{4801}}^1$

素因数の和:5372

約数の個数: 48

約数和(自身を含む): 36933449728

約数和(自身を除く): 16812093852

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 463, 926, 1852, 2263, 4526, 4801, 9052, 9602, 14353, 19204, 28706, 33799, 57412, 67598, 135196, 148831, 297662, 350473, 595324, 700946, 1047769, 1401892, 2095538, 2222863, 4191076, 4445726, 8891452, 10864663, 21729326, 43458652, 68908753, 137817506, 162268999, 275635012, 324537998, 649075996, 5030338969, 10060677938, 20121355876]

約数ペア:

[(1, 20121355876), (2, 10060677938), (4, 5030338969), (31, 649075996), (62, 324537998), (73, 275635012), (124, 162268999), (146, 137817506), (292, 68908753), (463, 43458652), (926, 21729326), (1852, 10864663), (2263, 8891452), (4526, 4445726), (4801, 4191076), (9052, 2222863), (9602, 2095538), (14353, 1401892), (19204, 1047769), (28706, 700946), (33799, 595324), (57412, 350473), (67598, 297662), (135196, 148831)]