20138471180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 43567372800

約数和(自身を除く): 23428901620

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 137, 236, 274, 295, 347, 359, 548, 590, 685, 694, 718, 1180, 1370, 1388, 1436, 1735, 1795, 2740, 3470, 3590, 6940, 7180, 8083, 16166, 20473, 21181, 32332, 40415, 40946, 42362, 47539, 49183, 80830, 81892, 84724, 95078, 98366, 102365, 105905, 124573, 161660, 190156, 196732, 204730, 211810, 237695, 245915, 249146, 409460, 423620, 475390, 491830, 498292, 622865, 950780, 983660, 1245730, 2491460, 2804801, 2901797, 5609602, 5803594, 7349807, 11219204, 11607188, 14024005, 14508985, 14699614, 17066501, 28048010, 29017970, 29399228, 34133002, 36749035, 56096020, 58035940, 68266004, 73498070, 85332505, 146996140, 170665010, 341330020, 1006923559, 2013847118, 4027694236, 5034617795, 10069235590, 20138471180]

約数ペア:

[(1, 20138471180), (2, 10069235590), (4, 5034617795), (5, 4027694236), (10, 2013847118), (20, 1006923559), (59, 341330020), (118, 170665010), (137, 146996140), (236, 85332505), (274, 73498070), (295, 68266004), (347, 58035940), (359, 56096020), (548, 36749035), (590, 34133002), (685, 29399228), (694, 29017970), (718, 28048010), (1180, 17066501), (1370, 14699614), (1388, 14508985), (1436, 14024005), (1735, 11607188), (1795, 11219204), (2740, 7349807), (3470, 5803594), (3590, 5609602), (6940, 2901797), (7180, 2804801), (8083, 2491460), (16166, 1245730), (20473, 983660), (21181, 950780), (32332, 622865), (40415, 498292), (40946, 491830), (42362, 475390), (47539, 423620), (49183, 409460), (80830, 249146), (81892, 245915), (84724, 237695), (95078, 211810), (98366, 204730), (102365, 196732), (105905, 190156), (124573, 161660)]