20866703032

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{32309}}^1$

素因数の和:32948

約数の個数: 64

約数和(自身を含む): 47146752000

約数和(自身を除く): 26280048968

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 607, 1064, 1214, 2428, 4249, 4856, 8498, 11533, 16996, 23066, 32309, 33992, 46132, 64618, 80731, 92264, 129236, 161462, 226163, 258472, 322924, 452326, 613871, 645848, 904652, 1227742, 1809304, 2455484, 4297097, 4910968, 8594194, 17188388, 19611563, 34376776, 39223126, 78446252, 137280941, 156892504, 274561882, 372619697, 549123764, 745239394, 1098247528, 1490478788, 2608337879, 2980957576, 5216675758, 10433351516, 20866703032]

約数ペア:

[(1, 20866703032), (2, 10433351516), (4, 5216675758), (7, 2980957576), (8, 2608337879), (14, 1490478788), (19, 1098247528), (28, 745239394), (38, 549123764), (56, 372619697), (76, 274561882), (133, 156892504), (152, 137280941), (266, 78446252), (532, 39223126), (607, 34376776), (1064, 19611563), (1214, 17188388), (2428, 8594194), (4249, 4910968), (4856, 4297097), (8498, 2455484), (11533, 1809304), (16996, 1227742), (23066, 904652), (32309, 645848), (33992, 613871), (46132, 452326), (64618, 322924), (80731, 258472), (92264, 226163), (129236, 161462)]