20446020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{601}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 73627008

約数和(自身を除く): 53180988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 601, 630, 756, 810, 945, 972, 1134, 1202, 1215, 1260, 1620, 1701, 1803, 1890, 2268, 2404, 2430, 2835, 3005, 3402, 3606, 3780, 4207, 4860, 5409, 5670, 6010, 6804, 7212, 8414, 8505, 9015, 10818, 11340, 12020, 12621, 16227, 16828, 17010, 18030, 21035, 21636, 25242, 27045, 32454, 34020, 36060, 37863, 42070, 48681, 50484, 54090, 63105, 64908, 75726, 81135, 84140, 97362, 108180, 113589, 126210, 146043, 151452, 162270, 189315, 194724, 227178, 243405, 252420, 292086, 324540, 340767, 378630, 454356, 486810, 567945, 584172, 681534, 730215, 757260, 973620, 1022301, 1135890, 1363068, 1460430, 1703835, 2044602, 2271780, 2920860, 3407670, 4089204, 5111505, 6815340, 10223010, 20446020]

約数ペア:

[(1, 20446020), (2, 10223010), (3, 6815340), (4, 5111505), (5, 4089204), (6, 3407670), (7, 2920860), (9, 2271780), (10, 2044602), (12, 1703835), (14, 1460430), (15, 1363068), (18, 1135890), (20, 1022301), (21, 973620), (27, 757260), (28, 730215), (30, 681534), (35, 584172), (36, 567945), (42, 486810), (45, 454356), (54, 378630), (60, 340767), (63, 324540), (70, 292086), (81, 252420), (84, 243405), (90, 227178), (105, 194724), (108, 189315), (126, 162270), (135, 151452), (140, 146043), (162, 126210), (180, 113589), (189, 108180), (210, 97362), (243, 84140), (252, 81135), (270, 75726), (315, 64908), (324, 63105), (378, 54090), (405, 50484), (420, 48681), (486, 42070), (540, 37863), (567, 36060), (601, 34020), (630, 32454), (756, 27045), (810, 25242), (945, 21636), (972, 21035), (1134, 18030), (1202, 17010), (1215, 16828), (1260, 16227), (1620, 12621), (1701, 12020), (1803, 11340), (1890, 10818), (2268, 9015), (2404, 8505), (2430, 8414), (2835, 7212), (3005, 6804), (3402, 6010), (3606, 5670), (3780, 5409), (4207, 4860)]