20178391077

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14431}}^1$

素因数の和:14523

約数の個数: 96

約数和(自身を含む): 35932216320

約数和(自身を除く): 15753825243

約数列:

[1, 3, 9, 13, 17, 19, 37, 39, 51, 57, 111, 117, 153, 171, 221, 247, 323, 333, 481, 629, 663, 703, 741, 969, 1443, 1887, 1989, 2109, 2223, 2907, 4199, 4329, 5661, 6327, 8177, 9139, 11951, 12597, 14431, 24531, 27417, 35853, 37791, 43293, 73593, 82251, 107559, 129879, 155363, 187603, 245327, 274189, 466089, 533947, 562809, 735981, 822567, 1398267, 1601841, 1688427, 2207943, 2467701, 3189251, 3564457, 4661213, 4805523, 6941311, 9077099, 9567753, 10144993, 10693371, 13983639, 20823933, 27231297, 28703259, 30434979, 32080113, 41950917, 60595769, 62471799, 81693891, 91304937, 118002287, 131884909, 172464881, 181787307, 354006861, 395654727, 517394643, 545361921, 1062020583, 1186964181, 1552183929, 2242043453, 6726130359, 20178391077]

約数ペア:

[(1, 20178391077), (3, 6726130359), (9, 2242043453), (13, 1552183929), (17, 1186964181), (19, 1062020583), (37, 545361921), (39, 517394643), (51, 395654727), (57, 354006861), (111, 181787307), (117, 172464881), (153, 131884909), (171, 118002287), (221, 91304937), (247, 81693891), (323, 62471799), (333, 60595769), (481, 41950917), (629, 32080113), (663, 30434979), (703, 28703259), (741, 27231297), (969, 20823933), (1443, 13983639), (1887, 10693371), (1989, 10144993), (2109, 9567753), (2223, 9077099), (2907, 6941311), (4199, 4805523), (4329, 4661213), (5661, 3564457), (6327, 3189251), (8177, 2467701), (9139, 2207943), (11951, 1688427), (12597, 1601841), (14431, 1398267), (24531, 822567), (27417, 735981), (35853, 562809), (37791, 533947), (43293, 466089), (73593, 274189), (82251, 245327), (107559, 187603), (129879, 155363)]