20187978670

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{2347}}^1$

素因数の和:2713

約数の個数: 64

約数和(自身を含む): 37733299200

約数和(自身を除く): 17545320530

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 239, 295, 305, 478, 590, 610, 1195, 2347, 2390, 3599, 4694, 7198, 11735, 14101, 14579, 17995, 23470, 28202, 29158, 35990, 70505, 72895, 138473, 141010, 143167, 145790, 276946, 286334, 560933, 692365, 715835, 860161, 1121866, 1384730, 1431670, 1720322, 2804665, 4300805, 5609330, 8446853, 8601610, 16893706, 33095047, 34216913, 42234265, 66190094, 68433826, 84468530, 165475235, 171084565, 330950470, 342169130, 2018797867, 4037595734, 10093989335, 20187978670]

約数ペア:

[(1, 20187978670), (2, 10093989335), (5, 4037595734), (10, 2018797867), (59, 342169130), (61, 330950470), (118, 171084565), (122, 165475235), (239, 84468530), (295, 68433826), (305, 66190094), (478, 42234265), (590, 34216913), (610, 33095047), (1195, 16893706), (2347, 8601610), (2390, 8446853), (3599, 5609330), (4694, 4300805), (7198, 2804665), (11735, 1720322), (14101, 1431670), (14579, 1384730), (17995, 1121866), (23470, 860161), (28202, 715835), (29158, 692365), (35990, 560933), (70505, 286334), (72895, 276946), (138473, 145790), (141010, 143167)]