20179906572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{303713}}^1$

素因数の和:303847

約数の個数: 72

約数和(自身を含む): 55258940016

約数和(自身を除く): 35079033444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 294, 339, 452, 588, 678, 791, 1356, 1582, 2373, 3164, 4746, 5537, 9492, 11074, 16611, 22148, 33222, 66444, 303713, 607426, 911139, 1214852, 1822278, 2125991, 3644556, 4251982, 6377973, 8503964, 12755946, 14881937, 25511892, 29763874, 34319569, 44645811, 59527748, 68639138, 89291622, 102958707, 137278276, 178583244, 205917414, 240236983, 411834828, 480473966, 720710949, 960947932, 1441421898, 1681658881, 2882843796, 3363317762, 5044976643, 6726635524, 10089953286, 20179906572]

約数ペア:

[(1, 20179906572), (2, 10089953286), (3, 6726635524), (4, 5044976643), (6, 3363317762), (7, 2882843796), (12, 1681658881), (14, 1441421898), (21, 960947932), (28, 720710949), (42, 480473966), (49, 411834828), (84, 240236983), (98, 205917414), (113, 178583244), (147, 137278276), (196, 102958707), (226, 89291622), (294, 68639138), (339, 59527748), (452, 44645811), (588, 34319569), (678, 29763874), (791, 25511892), (1356, 14881937), (1582, 12755946), (2373, 8503964), (3164, 6377973), (4746, 4251982), (5537, 3644556), (9492, 2125991), (11074, 1822278), (16611, 1214852), (22148, 911139), (33222, 607426), (66444, 303713)]