20016202724

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{34687}}^1$

素因数の和:35292

約数の個数: 48

約数和(自身を含む): 41189363712

約数和(自身を除く): 21173160988

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 557, 1036, 1114, 2228, 3899, 7798, 15596, 20609, 34687, 41218, 69374, 82436, 138748, 144263, 242809, 288526, 485618, 577052, 971236, 1283419, 2566838, 5133676, 8983933, 17967866, 19320659, 35935732, 38641318, 77282636, 135244613, 270489226, 540978452, 714864383, 1429728766, 2859457532, 5004050681, 10008101362, 20016202724]

約数ペア:

[(1, 20016202724), (2, 10008101362), (4, 5004050681), (7, 2859457532), (14, 1429728766), (28, 714864383), (37, 540978452), (74, 270489226), (148, 135244613), (259, 77282636), (518, 38641318), (557, 35935732), (1036, 19320659), (1114, 17967866), (2228, 8983933), (3899, 5133676), (7798, 2566838), (15596, 1283419), (20609, 971236), (34687, 577052), (41218, 485618), (69374, 288526), (82436, 242809), (138748, 144263)]