20148786045

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{448199}}^1$

素因数の和:448256

約数の個数: 48

約数和(自身を含む): 37197014400

約数和(自身を除く): 17048228355

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 999, 1215, 1665, 2997, 4995, 8991, 14985, 44955, 448199, 1344597, 2240995, 4033791, 6722985, 12101373, 16583363, 20168955, 36304119, 49750089, 60506865, 82916815, 108912357, 149250267, 181520595, 248750445, 447750801, 544561785, 746251335, 1343252403, 2238754005, 4029757209, 6716262015, 20148786045]

約数ペア:

[(1, 20148786045), (3, 6716262015), (5, 4029757209), (9, 2238754005), (15, 1343252403), (27, 746251335), (37, 544561785), (45, 447750801), (81, 248750445), (111, 181520595), (135, 149250267), (185, 108912357), (243, 82916815), (333, 60506865), (405, 49750089), (555, 36304119), (999, 20168955), (1215, 16583363), (1665, 12101373), (2997, 6722985), (4995, 4033791), (8991, 2240995), (14985, 1344597), (44955, 448199)]