20488152080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{629243}}^1$

素因数の和:629304

約数の個数: 80

約数和(自身を含む): 53369959104

約数和(自身を除く): 32881807024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 8140, 16280, 32560, 629243, 1258486, 2516972, 3146215, 5033944, 6292430, 6921673, 10067888, 12584860, 13843346, 23281991, 25169720, 27686692, 34608365, 46563982, 50339440, 55373384, 69216730, 93127964, 110746768, 116409955, 138433460, 186255928, 232819910, 256101901, 276866920, 372511856, 465639820, 512203802, 553733840, 931279640, 1024407604, 1280509505, 1862559280, 2048815208, 2561019010, 4097630416, 5122038020, 10244076040, 20488152080]

約数ペア:

[(1, 20488152080), (2, 10244076040), (4, 5122038020), (5, 4097630416), (8, 2561019010), (10, 2048815208), (11, 1862559280), (16, 1280509505), (20, 1024407604), (22, 931279640), (37, 553733840), (40, 512203802), (44, 465639820), (55, 372511856), (74, 276866920), (80, 256101901), (88, 232819910), (110, 186255928), (148, 138433460), (176, 116409955), (185, 110746768), (220, 93127964), (296, 69216730), (370, 55373384), (407, 50339440), (440, 46563982), (592, 34608365), (740, 27686692), (814, 25169720), (880, 23281991), (1480, 13843346), (1628, 12584860), (2035, 10067888), (2960, 6921673), (3256, 6292430), (4070, 5033944), (6512, 3146215), (8140, 2516972), (16280, 1258486), (32560, 629243)]