20045192008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{8461}}^1$

素因数の和:8678

約数の個数: 64

約数和(自身を含む): 39407195520

約数和(自身を除く): 19362003512

約数列:

[1, 2, 4, 8, 43, 71, 86, 97, 142, 172, 194, 284, 344, 388, 568, 776, 3053, 4171, 6106, 6887, 8342, 8461, 12212, 13774, 16684, 16922, 24424, 27548, 33368, 33844, 55096, 67688, 296141, 363823, 592282, 600731, 727646, 820717, 1184564, 1201462, 1455292, 1641434, 2369128, 2402924, 2910584, 3282868, 4805848, 6565736, 25831433, 35290831, 51662866, 58270907, 70581662, 103325732, 116541814, 141163324, 206651464, 233083628, 282326648, 466167256, 2505649001, 5011298002, 10022596004, 20045192008]

約数ペア:

[(1, 20045192008), (2, 10022596004), (4, 5011298002), (8, 2505649001), (43, 466167256), (71, 282326648), (86, 233083628), (97, 206651464), (142, 141163324), (172, 116541814), (194, 103325732), (284, 70581662), (344, 58270907), (388, 51662866), (568, 35290831), (776, 25831433), (3053, 6565736), (4171, 4805848), (6106, 3282868), (6887, 2910584), (8342, 2402924), (8461, 2369128), (12212, 1641434), (13774, 1455292), (16684, 1201462), (16922, 1184564), (24424, 820717), (27548, 727646), (33368, 600731), (33844, 592282), (55096, 363823), (67688, 296141)]