20196180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 65454480

約数和(自身を除く): 45258300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 53, 58, 60, 73, 87, 90, 106, 116, 145, 146, 159, 174, 180, 212, 219, 261, 265, 290, 292, 318, 348, 365, 435, 438, 477, 522, 530, 580, 636, 657, 730, 795, 870, 876, 954, 1044, 1060, 1095, 1305, 1314, 1460, 1537, 1590, 1740, 1908, 2117, 2190, 2385, 2610, 2628, 3074, 3180, 3285, 3869, 4234, 4380, 4611, 4770, 5220, 6148, 6351, 6570, 7685, 7738, 8468, 9222, 9540, 10585, 11607, 12702, 13140, 13833, 15370, 15476, 18444, 19053, 19345, 21170, 23055, 23214, 25404, 27666, 30740, 31755, 34821, 38106, 38690, 42340, 46110, 46428, 55332, 58035, 63510, 69165, 69642, 76212, 77380, 92220, 95265, 112201, 116070, 127020, 138330, 139284, 174105, 190530, 224402, 232140, 276660, 336603, 348210, 381060, 448804, 561005, 673206, 696420, 1009809, 1122010, 1346412, 1683015, 2019618, 2244020, 3366030, 4039236, 5049045, 6732060, 10098090, 20196180]

約数ペア:

[(1, 20196180), (2, 10098090), (3, 6732060), (4, 5049045), (5, 4039236), (6, 3366030), (9, 2244020), (10, 2019618), (12, 1683015), (15, 1346412), (18, 1122010), (20, 1009809), (29, 696420), (30, 673206), (36, 561005), (45, 448804), (53, 381060), (58, 348210), (60, 336603), (73, 276660), (87, 232140), (90, 224402), (106, 190530), (116, 174105), (145, 139284), (146, 138330), (159, 127020), (174, 116070), (180, 112201), (212, 95265), (219, 92220), (261, 77380), (265, 76212), (290, 69642), (292, 69165), (318, 63510), (348, 58035), (365, 55332), (435, 46428), (438, 46110), (477, 42340), (522, 38690), (530, 38106), (580, 34821), (636, 31755), (657, 30740), (730, 27666), (795, 25404), (870, 23214), (876, 23055), (954, 21170), (1044, 19345), (1060, 19053), (1095, 18444), (1305, 15476), (1314, 15370), (1460, 13833), (1537, 13140), (1590, 12702), (1740, 11607), (1908, 10585), (2117, 9540), (2190, 9222), (2385, 8468), (2610, 7738), (2628, 7685), (3074, 6570), (3180, 6351), (3285, 6148), (3869, 5220), (4234, 4770), (4380, 4611)]