20237619616

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{146023}}^1$

素因数の和:146165

約数の個数: 48

約数和(自身を含む): 41066621568

約数和(自身を除く): 20829001952

約数列:

[1, 2, 4, 8, 16, 32, 61, 71, 122, 142, 244, 284, 488, 568, 976, 1136, 1952, 2272, 4331, 8662, 17324, 34648, 69296, 138592, 146023, 292046, 584092, 1168184, 2336368, 4672736, 8907403, 10367633, 17814806, 20735266, 35629612, 41470532, 71259224, 82941064, 142518448, 165882128, 285036896, 331764256, 632425613, 1264851226, 2529702452, 5059404904, 10118809808, 20237619616]

約数ペア:

[(1, 20237619616), (2, 10118809808), (4, 5059404904), (8, 2529702452), (16, 1264851226), (32, 632425613), (61, 331764256), (71, 285036896), (122, 165882128), (142, 142518448), (244, 82941064), (284, 71259224), (488, 41470532), (568, 35629612), (976, 20735266), (1136, 17814806), (1952, 10367633), (2272, 8907403), (4331, 4672736), (8662, 2336368), (17324, 1168184), (34648, 584092), (69296, 292046), (138592, 146023)]