20198152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 43570800

約数和(自身を除く): 23372648

約数列:

[1, 2, 4, 8, 13, 26, 29, 37, 52, 58, 74, 104, 116, 148, 181, 232, 296, 362, 377, 481, 724, 754, 962, 1073, 1448, 1508, 1924, 2146, 2353, 3016, 3848, 4292, 4706, 5249, 6697, 8584, 9412, 10498, 13394, 13949, 18824, 20996, 26788, 27898, 41992, 53576, 55796, 68237, 87061, 111592, 136474, 174122, 194213, 272948, 348244, 388426, 545896, 696488, 776852, 1553704, 2524769, 5049538, 10099076, 20198152]

約数ペア:

[(1, 20198152), (2, 10099076), (4, 5049538), (8, 2524769), (13, 1553704), (26, 776852), (29, 696488), (37, 545896), (52, 388426), (58, 348244), (74, 272948), (104, 194213), (116, 174122), (148, 136474), (181, 111592), (232, 87061), (296, 68237), (362, 55796), (377, 53576), (481, 41992), (724, 27898), (754, 26788), (962, 20996), (1073, 18824), (1448, 13949), (1508, 13394), (1924, 10498), (2146, 9412), (2353, 8584), (3016, 6697), (3848, 5249), (4292, 4706)]