20456077845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{5743}}^1\times {\mathrm{33923}}^1$

素因数の和:39681

約数の個数: 32

約数和(自身を含む): 37413015552

約数和(自身を除く): 16956937707

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 5743, 17229, 28715, 33923, 40201, 86145, 101769, 120603, 169615, 201005, 237461, 508845, 603015, 712383, 1187305, 3561915, 194819789, 584459367, 974098945, 1363738523, 2922296835, 4091215569, 6818692615, 20456077845]

約数ペア:

[(1, 20456077845), (3, 6818692615), (5, 4091215569), (7, 2922296835), (15, 1363738523), (21, 974098945), (35, 584459367), (105, 194819789), (5743, 3561915), (17229, 1187305), (28715, 712383), (33923, 603015), (40201, 508845), (86145, 237461), (101769, 201005), (120603, 169615)]