20173896304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{1949}}^1$

素因数の和:2486

約数の個数: 80

約数和(自身を含む): 41783040000

約数和(自身を除く): 21609143696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 304, 316, 431, 632, 862, 1264, 1501, 1724, 1949, 3002, 3448, 3898, 6004, 6896, 7796, 8189, 12008, 15592, 16378, 24016, 31184, 32756, 34049, 37031, 65512, 68098, 74062, 131024, 136196, 148124, 153971, 272392, 296248, 307942, 544784, 592496, 615884, 646931, 840019, 1231768, 1293862, 1680038, 2463536, 2587724, 2925449, 3360076, 5175448, 5850898, 6720152, 10350896, 11701796, 13440304, 15960361, 23403592, 31920722, 46807184, 63841444, 66361501, 127682888, 132723002, 255365776, 265446004, 530892008, 1061784016, 1260868519, 2521737038, 5043474076, 10086948152, 20173896304]

約数ペア:

[(1, 20173896304), (2, 10086948152), (4, 5043474076), (8, 2521737038), (16, 1260868519), (19, 1061784016), (38, 530892008), (76, 265446004), (79, 255365776), (152, 132723002), (158, 127682888), (304, 66361501), (316, 63841444), (431, 46807184), (632, 31920722), (862, 23403592), (1264, 15960361), (1501, 13440304), (1724, 11701796), (1949, 10350896), (3002, 6720152), (3448, 5850898), (3898, 5175448), (6004, 3360076), (6896, 2925449), (7796, 2587724), (8189, 2463536), (12008, 1680038), (15592, 1293862), (16378, 1231768), (24016, 840019), (31184, 646931), (32756, 615884), (34049, 592496), (37031, 544784), (65512, 307942), (68098, 296248), (74062, 272392), (131024, 153971), (136196, 148124)]