20229759515

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1985

約数の個数: 72

約数和(自身を含む): 30054938112

約数和(自身を除く): 9825178597

約数列:

[1, 5, 7, 19, 35, 49, 95, 127, 133, 245, 361, 635, 665, 889, 931, 1801, 1805, 2413, 2527, 4445, 4655, 6223, 9005, 12065, 12607, 12635, 16891, 17689, 31115, 34219, 45847, 63035, 84455, 88249, 88445, 118237, 171095, 228727, 229235, 239533, 320929, 441245, 591185, 650161, 1143635, 1197665, 1601089, 1604645, 1676731, 2246503, 3250805, 4345813, 4551127, 8005445, 8383655, 11207623, 11232515, 21729065, 22755635, 30420691, 31857889, 56038115, 82570447, 152103455, 159289445, 212944837, 412852235, 577993129, 1064724185, 2889965645, 4045951903, 20229759515]

約数ペア:

[(1, 20229759515), (5, 4045951903), (7, 2889965645), (19, 1064724185), (35, 577993129), (49, 412852235), (95, 212944837), (127, 159289445), (133, 152103455), (245, 82570447), (361, 56038115), (635, 31857889), (665, 30420691), (889, 22755635), (931, 21729065), (1801, 11232515), (1805, 11207623), (2413, 8383655), (2527, 8005445), (4445, 4551127), (4655, 4345813), (6223, 3250805), (9005, 2246503), (12065, 1676731), (12607, 1604645), (12635, 1601089), (16891, 1197665), (17689, 1143635), (31115, 650161), (34219, 591185), (45847, 441245), (63035, 320929), (84455, 239533), (88249, 229235), (88445, 228727), (118237, 171095)]