20797020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2064

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 47343780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2027, 2052, 2565, 3420, 4054, 5130, 6081, 8108, 10135, 10260, 12162, 18243, 20270, 24324, 30405, 36486, 38513, 40540, 54729, 60810, 72972, 77026, 91215, 109458, 115539, 121620, 154052, 182430, 192565, 218916, 231078, 273645, 346617, 364860, 385130, 462156, 547290, 577695, 693234, 770260, 1039851, 1094580, 1155390, 1386468, 1733085, 2079702, 2310780, 3466170, 4159404, 5199255, 6932340, 10398510, 20797020]

約数ペア:

[(1, 20797020), (2, 10398510), (3, 6932340), (4, 5199255), (5, 4159404), (6, 3466170), (9, 2310780), (10, 2079702), (12, 1733085), (15, 1386468), (18, 1155390), (19, 1094580), (20, 1039851), (27, 770260), (30, 693234), (36, 577695), (38, 547290), (45, 462156), (54, 385130), (57, 364860), (60, 346617), (76, 273645), (90, 231078), (95, 218916), (108, 192565), (114, 182430), (135, 154052), (171, 121620), (180, 115539), (190, 109458), (228, 91215), (270, 77026), (285, 72972), (342, 60810), (380, 54729), (513, 40540), (540, 38513), (570, 36486), (684, 30405), (855, 24324), (1026, 20270), (1140, 18243), (1710, 12162), (2027, 10260), (2052, 10135), (2565, 8108), (3420, 6081), (4054, 5130)]