20199064144

素因数分解:

$2^4\times 7^1\times {\mathrm{907}}^1\times {\mathrm{198841}}^1$

素因数の和:199763

約数の個数: 40

約数和(自身を含む): 44776036928

約数和(自身を除く): 24576972784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 907, 1814, 3628, 6349, 7256, 12698, 14512, 25396, 50792, 101584, 198841, 397682, 795364, 1391887, 1590728, 2783774, 3181456, 5567548, 11135096, 22270192, 180348787, 360697574, 721395148, 1262441509, 1442790296, 2524883018, 2885580592, 5049766036, 10099532072, 20199064144]

約数ペア:

[(1, 20199064144), (2, 10099532072), (4, 5049766036), (7, 2885580592), (8, 2524883018), (14, 1442790296), (16, 1262441509), (28, 721395148), (56, 360697574), (112, 180348787), (907, 22270192), (1814, 11135096), (3628, 5567548), (6349, 3181456), (7256, 2783774), (12698, 1590728), (14512, 1391887), (25396, 795364), (50792, 397682), (101584, 198841)]