20199863620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{8663}}^1$

素因数の和:8869

約数の個数: 96

約数和(自身を含む): 45797488128

約数和(自身を除く): 25597624508

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 137, 148, 185, 230, 274, 370, 460, 548, 685, 740, 851, 1370, 1702, 2740, 3151, 3404, 4255, 5069, 6302, 8510, 8663, 10138, 12604, 15755, 17020, 17326, 20276, 25345, 31510, 34652, 43315, 50690, 63020, 86630, 101380, 116587, 173260, 199249, 233174, 320531, 398498, 466348, 582935, 641062, 796996, 996245, 1165870, 1186831, 1282124, 1602655, 1992490, 2331740, 2373662, 3205310, 3984980, 4747324, 5934155, 6410620, 7372213, 11868310, 14744426, 23736620, 27297113, 29488852, 36861065, 43912747, 54594226, 73722130, 87825494, 109188452, 136485565, 147444260, 175650988, 219563735, 272971130, 439127470, 545942260, 878254940, 1009993181, 2019986362, 4039972724, 5049965905, 10099931810, 20199863620]

約数ペア:

[(1, 20199863620), (2, 10099931810), (4, 5049965905), (5, 4039972724), (10, 2019986362), (20, 1009993181), (23, 878254940), (37, 545942260), (46, 439127470), (74, 272971130), (92, 219563735), (115, 175650988), (137, 147444260), (148, 136485565), (185, 109188452), (230, 87825494), (274, 73722130), (370, 54594226), (460, 43912747), (548, 36861065), (685, 29488852), (740, 27297113), (851, 23736620), (1370, 14744426), (1702, 11868310), (2740, 7372213), (3151, 6410620), (3404, 5934155), (4255, 4747324), (5069, 3984980), (6302, 3205310), (8510, 2373662), (8663, 2331740), (10138, 1992490), (12604, 1602655), (15755, 1282124), (17020, 1186831), (17326, 1165870), (20276, 996245), (25345, 796996), (31510, 641062), (34652, 582935), (43315, 466348), (50690, 398498), (63020, 320531), (86630, 233174), (101380, 199249), (116587, 173260)]