20153815920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3998773}}^1$

素因数の和:3998799

約数の個数: 120

約数和(自身を含む): 77352284256

約数和(自身を除く): 57198468336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 3998773, 7997546, 11996319, 15995092, 19993865, 23992638, 27991411, 31990184, 35988957, 39987730, 47985276, 55982822, 59981595, 63980368, 71977914, 79975460, 83974233, 95970552, 111965644, 119963190, 139957055, 143955828, 159950920, 167948466, 179944785, 191941104, 223931288, 239926380, 251922699, 279914110, 287911656, 319901840, 335896932, 359889570, 419871165, 447862576, 479852760, 503845398, 559828220, 575823312, 671793864, 719779140, 839742330, 959705520, 1007690796, 1119656440, 1259613495, 1343587728, 1439558280, 1679484660, 2015381592, 2239312880, 2519226990, 2879116560, 3358969320, 4030763184, 5038453980, 6717938640, 10076907960, 20153815920]

約数ペア:

[(1, 20153815920), (2, 10076907960), (3, 6717938640), (4, 5038453980), (5, 4030763184), (6, 3358969320), (7, 2879116560), (8, 2519226990), (9, 2239312880), (10, 2015381592), (12, 1679484660), (14, 1439558280), (15, 1343587728), (16, 1259613495), (18, 1119656440), (20, 1007690796), (21, 959705520), (24, 839742330), (28, 719779140), (30, 671793864), (35, 575823312), (36, 559828220), (40, 503845398), (42, 479852760), (45, 447862576), (48, 419871165), (56, 359889570), (60, 335896932), (63, 319901840), (70, 287911656), (72, 279914110), (80, 251922699), (84, 239926380), (90, 223931288), (105, 191941104), (112, 179944785), (120, 167948466), (126, 159950920), (140, 143955828), (144, 139957055), (168, 119963190), (180, 111965644), (210, 95970552), (240, 83974233), (252, 79975460), (280, 71977914), (315, 63980368), (336, 59981595), (360, 55982822), (420, 47985276), (504, 39987730), (560, 35988957), (630, 31990184), (720, 27991411), (840, 23992638), (1008, 19993865), (1260, 15995092), (1680, 11996319), (2520, 7997546), (5040, 3998773)]