20217623478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{6733}}^1$

素因数の和:7169

約数の個数: 64

約数和(自身を含む): 44026137792

約数和(自身を除く): 23808514314

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 281, 411, 562, 822, 843, 1686, 1781, 3562, 3653, 5343, 6733, 7306, 10686, 10959, 13466, 20199, 21918, 38497, 40398, 76994, 87529, 115491, 175058, 230982, 262587, 500461, 525174, 922421, 1000922, 1501383, 1844842, 1891973, 2767263, 3002766, 3783946, 5534526, 5675919, 11351838, 11991473, 23982946, 24595649, 35974419, 49191298, 71948838, 73786947, 147573894, 259200301, 518400602, 777600903, 1555201806, 3369603913, 6739207826, 10108811739, 20217623478]

約数ペア:

[(1, 20217623478), (2, 10108811739), (3, 6739207826), (6, 3369603913), (13, 1555201806), (26, 777600903), (39, 518400602), (78, 259200301), (137, 147573894), (274, 73786947), (281, 71948838), (411, 49191298), (562, 35974419), (822, 24595649), (843, 23982946), (1686, 11991473), (1781, 11351838), (3562, 5675919), (3653, 5534526), (5343, 3783946), (6733, 3002766), (7306, 2767263), (10686, 1891973), (10959, 1844842), (13466, 1501383), (20199, 1000922), (21918, 922421), (38497, 525174), (40398, 500461), (76994, 262587), (87529, 230982), (115491, 175058)]