20055420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1480

約数の個数: 144

約数和(自身を含む): 75898368

約数和(自身を除く): 55842948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1447, 1540, 1980, 2310, 2772, 2894, 3465, 4341, 4620, 5788, 6930, 7235, 8682, 10129, 13023, 13860, 14470, 15917, 17364, 20258, 21705, 26046, 28940, 30387, 31834, 40516, 43410, 47751, 50645, 52092, 60774, 63668, 65115, 79585, 86820, 91161, 95502, 101290, 111419, 121548, 130230, 143253, 151935, 159170, 182322, 191004, 202580, 222838, 238755, 260460, 286506, 303870, 318340, 334257, 364644, 445676, 455805, 477510, 557095, 573012, 607740, 668514, 716265, 911610, 955020, 1002771, 1114190, 1337028, 1432530, 1671285, 1823220, 2005542, 2228380, 2865060, 3342570, 4011084, 5013855, 6685140, 10027710, 20055420]

約数ペア:

[(1, 20055420), (2, 10027710), (3, 6685140), (4, 5013855), (5, 4011084), (6, 3342570), (7, 2865060), (9, 2228380), (10, 2005542), (11, 1823220), (12, 1671285), (14, 1432530), (15, 1337028), (18, 1114190), (20, 1002771), (21, 955020), (22, 911610), (28, 716265), (30, 668514), (33, 607740), (35, 573012), (36, 557095), (42, 477510), (44, 455805), (45, 445676), (55, 364644), (60, 334257), (63, 318340), (66, 303870), (70, 286506), (77, 260460), (84, 238755), (90, 222838), (99, 202580), (105, 191004), (110, 182322), (126, 159170), (132, 151935), (140, 143253), (154, 130230), (165, 121548), (180, 111419), (198, 101290), (210, 95502), (220, 91161), (231, 86820), (252, 79585), (308, 65115), (315, 63668), (330, 60774), (385, 52092), (396, 50645), (420, 47751), (462, 43410), (495, 40516), (630, 31834), (660, 30387), (693, 28940), (770, 26046), (924, 21705), (990, 20258), (1155, 17364), (1260, 15917), (1386, 14470), (1447, 13860), (1540, 13023), (1980, 10129), (2310, 8682), (2772, 7235), (2894, 6930), (3465, 5788), (4341, 4620)]