20052900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1061}}^1$

素因数の和:1091

約数の個数: 144

約数和(自身を含む): 73745280

約数和(自身を除く): 53692380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1061, 1260, 1350, 1575, 1890, 2100, 2122, 2700, 3150, 3183, 3780, 4244, 4725, 5305, 6300, 6366, 7427, 9450, 9549, 10610, 12732, 14854, 15915, 18900, 19098, 21220, 22281, 26525, 28647, 29708, 31830, 37135, 38196, 44562, 47745, 53050, 57294, 63660, 66843, 74270, 79575, 89124, 95490, 106100, 111405, 114588, 133686, 143235, 148540, 159150, 185675, 190980, 200529, 222810, 238725, 267372, 286470, 318300, 334215, 371350, 401058, 445620, 477450, 557025, 572940, 668430, 716175, 742700, 802116, 954900, 1002645, 1114050, 1336860, 1432350, 1671075, 2005290, 2228100, 2864700, 3342150, 4010580, 5013225, 6684300, 10026450, 20052900]

約数ペア:

[(1, 20052900), (2, 10026450), (3, 6684300), (4, 5013225), (5, 4010580), (6, 3342150), (7, 2864700), (9, 2228100), (10, 2005290), (12, 1671075), (14, 1432350), (15, 1336860), (18, 1114050), (20, 1002645), (21, 954900), (25, 802116), (27, 742700), (28, 716175), (30, 668430), (35, 572940), (36, 557025), (42, 477450), (45, 445620), (50, 401058), (54, 371350), (60, 334215), (63, 318300), (70, 286470), (75, 267372), (84, 238725), (90, 222810), (100, 200529), (105, 190980), (108, 185675), (126, 159150), (135, 148540), (140, 143235), (150, 133686), (175, 114588), (180, 111405), (189, 106100), (210, 95490), (225, 89124), (252, 79575), (270, 74270), (300, 66843), (315, 63660), (350, 57294), (378, 53050), (420, 47745), (450, 44562), (525, 38196), (540, 37135), (630, 31830), (675, 29708), (700, 28647), (756, 26525), (900, 22281), (945, 21220), (1050, 19098), (1061, 18900), (1260, 15915), (1350, 14854), (1575, 12732), (1890, 10610), (2100, 9549), (2122, 9450), (2700, 7427), (3150, 6366), (3183, 6300), (3780, 5305), (4244, 4725)]