20199232844

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1\times {\mathrm{17581}}^1$

素因数の和:18738

約数の個数: 48

約数和(自身を含む): 41530090560

約数和(自身を除く): 21330857716

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1109, 2218, 4436, 7763, 15526, 17581, 31052, 35162, 41033, 70324, 82066, 123067, 164132, 246134, 287231, 492268, 574462, 650497, 1148924, 1300994, 2601988, 4553479, 9106958, 18213916, 19497329, 38994658, 77989316, 136481303, 272962606, 545925212, 721401173, 1442802346, 2885604692, 5049808211, 10099616422, 20199232844]

約数ペア:

[(1, 20199232844), (2, 10099616422), (4, 5049808211), (7, 2885604692), (14, 1442802346), (28, 721401173), (37, 545925212), (74, 272962606), (148, 136481303), (259, 77989316), (518, 38994658), (1036, 19497329), (1109, 18213916), (2218, 9106958), (4436, 4553479), (7763, 2601988), (15526, 1300994), (17581, 1148924), (31052, 650497), (35162, 574462), (41033, 492268), (70324, 287231), (82066, 246134), (123067, 164132)]