20233974760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{374981}}^1$

素因数の和:375082

約数の個数: 64

約数和(自身を含む): 48597667200

約数和(自身を除く): 28363692440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 26980, 53960, 374981, 749962, 1499924, 1874905, 2999848, 3749810, 7124639, 7499620, 14249278, 14999240, 26623651, 28498556, 35623195, 53247302, 56997112, 71246390, 106494604, 133118255, 142492780, 212989208, 266236510, 284985560, 505849369, 532473020, 1011698738, 1064946040, 2023397476, 2529246845, 4046794952, 5058493690, 10116987380, 20233974760]

約数ペア:

[(1, 20233974760), (2, 10116987380), (4, 5058493690), (5, 4046794952), (8, 2529246845), (10, 2023397476), (19, 1064946040), (20, 1011698738), (38, 532473020), (40, 505849369), (71, 284985560), (76, 266236510), (95, 212989208), (142, 142492780), (152, 133118255), (190, 106494604), (284, 71246390), (355, 56997112), (380, 53247302), (568, 35623195), (710, 28498556), (760, 26623651), (1349, 14999240), (1420, 14249278), (2698, 7499620), (2840, 7124639), (5396, 3749810), (6745, 2999848), (10792, 1874905), (13490, 1499924), (26980, 749962), (53960, 374981)]