20961567416

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1\times {\mathrm{1913}}^1$

素因数の和:2616

約数の個数: 64

約数和(自身を含む): 41065405920

約数和(自身を除く): 20103838504

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 601, 1202, 1913, 2279, 2404, 3826, 4558, 4808, 7652, 9116, 15304, 18232, 25843, 31853, 51686, 63706, 82259, 101389, 103372, 127412, 164518, 202778, 206744, 254824, 329036, 405556, 658072, 811112, 1149713, 1369679, 2299426, 2739358, 4359727, 4598852, 5478716, 8719454, 9197704, 10957432, 17438908, 34877816, 49437659, 60934789, 98875318, 121869578, 197750636, 243739156, 395501272, 487478312, 2620195927, 5240391854, 10480783708, 20961567416]

約数ペア:

[(1, 20961567416), (2, 10480783708), (4, 5240391854), (8, 2620195927), (43, 487478312), (53, 395501272), (86, 243739156), (106, 197750636), (172, 121869578), (212, 98875318), (344, 60934789), (424, 49437659), (601, 34877816), (1202, 17438908), (1913, 10957432), (2279, 9197704), (2404, 8719454), (3826, 5478716), (4558, 4598852), (4808, 4359727), (7652, 2739358), (9116, 2299426), (15304, 1369679), (18232, 1149713), (25843, 811112), (31853, 658072), (51686, 405556), (63706, 329036), (82259, 254824), (101389, 206744), (103372, 202778), (127412, 164518)]