20802079130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{220291}}^1$

素因数の和:220395

約数の個数: 64

約数和(自身を含む): 45679749120

約数和(自身を除く): 24877669990

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 190, 266, 355, 497, 665, 710, 994, 1330, 1349, 2485, 2698, 4970, 6745, 9443, 13490, 18886, 47215, 94430, 220291, 440582, 1101455, 1542037, 2202910, 3084074, 4185529, 7710185, 8371058, 15420370, 15640661, 20927645, 29298703, 31281322, 41855290, 58597406, 78203305, 109484627, 146493515, 156406610, 218969254, 292987030, 297172559, 547423135, 594345118, 1094846270, 1485862795, 2080207913, 2971725590, 4160415826, 10401039565, 20802079130]

約数ペア:

[(1, 20802079130), (2, 10401039565), (5, 4160415826), (7, 2971725590), (10, 2080207913), (14, 1485862795), (19, 1094846270), (35, 594345118), (38, 547423135), (70, 297172559), (71, 292987030), (95, 218969254), (133, 156406610), (142, 146493515), (190, 109484627), (266, 78203305), (355, 58597406), (497, 41855290), (665, 31281322), (710, 29298703), (994, 20927645), (1330, 15640661), (1349, 15420370), (2485, 8371058), (2698, 7710185), (4970, 4185529), (6745, 3084074), (9443, 2202910), (13490, 1542037), (18886, 1101455), (47215, 440582), (94430, 220291)]