20089870904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{121181}}^1$

素因数の和:121280

約数の個数: 64

約数和(自身を含む): 42404005440

約数和(自身を除く): 22314134536

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 53, 68, 92, 106, 136, 184, 212, 391, 424, 782, 901, 1219, 1564, 1802, 2438, 3128, 3604, 4876, 7208, 9752, 20723, 41446, 82892, 121181, 165784, 242362, 484724, 969448, 2060077, 2787163, 4120154, 5574326, 6422593, 8240308, 11148652, 12845186, 16480616, 22297304, 25690372, 47381771, 51380744, 94763542, 109184081, 147719639, 189527084, 218368162, 295439278, 379054168, 436736324, 590878556, 873472648, 1181757112, 2511233863, 5022467726, 10044935452, 20089870904]

約数ペア:

[(1, 20089870904), (2, 10044935452), (4, 5022467726), (8, 2511233863), (17, 1181757112), (23, 873472648), (34, 590878556), (46, 436736324), (53, 379054168), (68, 295439278), (92, 218368162), (106, 189527084), (136, 147719639), (184, 109184081), (212, 94763542), (391, 51380744), (424, 47381771), (782, 25690372), (901, 22297304), (1219, 16480616), (1564, 12845186), (1802, 11148652), (2438, 8240308), (3128, 6422593), (3604, 5574326), (4876, 4120154), (7208, 2787163), (9752, 2060077), (20723, 969448), (41446, 484724), (82892, 242362), (121181, 165784)]