20123469942

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{13037}}^1$

素因数の和:13505

約数の個数: 64

約数和(自身を含む): 43876520640

約数和(自身を除く): 23753050698

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 409, 629, 818, 1227, 1258, 1887, 2454, 3774, 6953, 13037, 13906, 15133, 20859, 26074, 30266, 39111, 41718, 45399, 78222, 90798, 221629, 257261, 443258, 482369, 514522, 664887, 771783, 964738, 1329774, 1447107, 1543566, 2894214, 5332133, 8200273, 10664266, 15996399, 16400546, 24600819, 31992798, 49201638, 90646261, 181292522, 197288921, 271938783, 394577842, 543877566, 591866763, 1183733526, 3353911657, 6707823314, 10061734971, 20123469942]

約数ペア:

[(1, 20123469942), (2, 10061734971), (3, 6707823314), (6, 3353911657), (17, 1183733526), (34, 591866763), (37, 543877566), (51, 394577842), (74, 271938783), (102, 197288921), (111, 181292522), (222, 90646261), (409, 49201638), (629, 31992798), (818, 24600819), (1227, 16400546), (1258, 15996399), (1887, 10664266), (2454, 8200273), (3774, 5332133), (6953, 2894214), (13037, 1543566), (13906, 1447107), (15133, 1329774), (20859, 964738), (26074, 771783), (30266, 664887), (39111, 514522), (41718, 482369), (45399, 443258), (78222, 257261), (90798, 221629)]