20566440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 69552000

約数和(自身を除く): 48985560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 137, 139, 180, 216, 270, 274, 278, 360, 411, 417, 540, 548, 556, 685, 695, 822, 834, 1080, 1096, 1112, 1233, 1251, 1370, 1390, 1644, 1668, 2055, 2085, 2466, 2502, 2740, 2780, 3288, 3336, 3699, 3753, 4110, 4170, 4932, 5004, 5480, 5560, 6165, 6255, 7398, 7506, 8220, 8340, 9864, 10008, 12330, 12510, 14796, 15012, 16440, 16680, 18495, 18765, 19043, 24660, 25020, 29592, 30024, 36990, 37530, 38086, 49320, 50040, 57129, 73980, 75060, 76172, 95215, 114258, 147960, 150120, 152344, 171387, 190430, 228516, 285645, 342774, 380860, 457032, 514161, 571290, 685548, 761720, 856935, 1028322, 1142580, 1371096, 1713870, 2056644, 2285160, 2570805, 3427740, 4113288, 5141610, 6855480, 10283220, 20566440]

約数ペア:

[(1, 20566440), (2, 10283220), (3, 6855480), (4, 5141610), (5, 4113288), (6, 3427740), (8, 2570805), (9, 2285160), (10, 2056644), (12, 1713870), (15, 1371096), (18, 1142580), (20, 1028322), (24, 856935), (27, 761720), (30, 685548), (36, 571290), (40, 514161), (45, 457032), (54, 380860), (60, 342774), (72, 285645), (90, 228516), (108, 190430), (120, 171387), (135, 152344), (137, 150120), (139, 147960), (180, 114258), (216, 95215), (270, 76172), (274, 75060), (278, 73980), (360, 57129), (411, 50040), (417, 49320), (540, 38086), (548, 37530), (556, 36990), (685, 30024), (695, 29592), (822, 25020), (834, 24660), (1080, 19043), (1096, 18765), (1112, 18495), (1233, 16680), (1251, 16440), (1370, 15012), (1390, 14796), (1644, 12510), (1668, 12330), (2055, 10008), (2085, 9864), (2466, 8340), (2502, 8220), (2740, 7506), (2780, 7398), (3288, 6255), (3336, 6165), (3699, 5560), (3753, 5480), (4110, 5004), (4170, 4932)]