20864938944

素因数分解:

$2^6\times 3^1\times {\mathrm{491}}^1\times {\mathrm{221327}}^1$

素因数の和:221833

約数の個数: 56

約数和(自身を含む): 55317835008

約数和(自身を除く): 34452896064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 491, 982, 1473, 1964, 2946, 3928, 5892, 7856, 11784, 15712, 23568, 31424, 47136, 94272, 221327, 442654, 663981, 885308, 1327962, 1770616, 2655924, 3541232, 5311848, 7082464, 10623696, 14164928, 21247392, 42494784, 108671557, 217343114, 326014671, 434686228, 652029342, 869372456, 1304058684, 1738744912, 2608117368, 3477489824, 5216234736, 6954979648, 10432469472, 20864938944]

約数ペア:

[(1, 20864938944), (2, 10432469472), (3, 6954979648), (4, 5216234736), (6, 3477489824), (8, 2608117368), (12, 1738744912), (16, 1304058684), (24, 869372456), (32, 652029342), (48, 434686228), (64, 326014671), (96, 217343114), (192, 108671557), (491, 42494784), (982, 21247392), (1473, 14164928), (1964, 10623696), (2946, 7082464), (3928, 5311848), (5892, 3541232), (7856, 2655924), (11784, 1770616), (15712, 1327962), (23568, 885308), (31424, 663981), (47136, 442654), (94272, 221327)]