19928580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2105

約数の個数: 96

約数和(自身を含む): 66576384

約数和(自身を除く): 46647804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2063, 2415, 3220, 4126, 4830, 6189, 8252, 9660, 10315, 12378, 14441, 20630, 24756, 28882, 30945, 41260, 43323, 47449, 57764, 61890, 72205, 86646, 94898, 123780, 142347, 144410, 173292, 189796, 216615, 237245, 284694, 288820, 332143, 433230, 474490, 569388, 664286, 711735, 866460, 948980, 996429, 1328572, 1423470, 1660715, 1992858, 2846940, 3321430, 3985716, 4982145, 6642860, 9964290, 19928580]

約数ペア:

[(1, 19928580), (2, 9964290), (3, 6642860), (4, 4982145), (5, 3985716), (6, 3321430), (7, 2846940), (10, 1992858), (12, 1660715), (14, 1423470), (15, 1328572), (20, 996429), (21, 948980), (23, 866460), (28, 711735), (30, 664286), (35, 569388), (42, 474490), (46, 433230), (60, 332143), (69, 288820), (70, 284694), (84, 237245), (92, 216615), (105, 189796), (115, 173292), (138, 144410), (140, 142347), (161, 123780), (210, 94898), (230, 86646), (276, 72205), (322, 61890), (345, 57764), (420, 47449), (460, 43323), (483, 41260), (644, 30945), (690, 28882), (805, 24756), (966, 20630), (1380, 14441), (1610, 12378), (1932, 10315), (2063, 9660), (2415, 8252), (3220, 6189), (4126, 4830)]