20398049290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{27337}}^1$

素因数の和:27487

約数の個数: 64

約数和(自身を含む): 39681653760

約数和(自身を除く): 19283604470

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 83, 145, 155, 166, 290, 310, 415, 830, 899, 1798, 2407, 2573, 4495, 4814, 5146, 8990, 12035, 12865, 24070, 25730, 27337, 54674, 74617, 136685, 149234, 273370, 373085, 746170, 792773, 847447, 1585546, 1694894, 2268971, 3963865, 4237235, 4537942, 7927730, 8474470, 11344855, 22689710, 24575963, 49151926, 65800159, 70338101, 122879815, 131600318, 140676202, 245759630, 329000795, 351690505, 658001590, 703381010, 2039804929, 4079609858, 10199024645, 20398049290]

約数ペア:

[(1, 20398049290), (2, 10199024645), (5, 4079609858), (10, 2039804929), (29, 703381010), (31, 658001590), (58, 351690505), (62, 329000795), (83, 245759630), (145, 140676202), (155, 131600318), (166, 122879815), (290, 70338101), (310, 65800159), (415, 49151926), (830, 24575963), (899, 22689710), (1798, 11344855), (2407, 8474470), (2573, 7927730), (4495, 4537942), (4814, 4237235), (5146, 3963865), (8990, 2268971), (12035, 1694894), (12865, 1585546), (24070, 847447), (25730, 792773), (27337, 746170), (54674, 373085), (74617, 273370), (136685, 149234)]