20201993784

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{361111}}^1$

素因数の和:361170

約数の個数: 128

約数和(自身を含む): 65866828800

約数和(自身を除く): 45664835016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 84, 108, 111, 126, 148, 168, 189, 216, 222, 252, 259, 296, 333, 378, 444, 504, 518, 666, 756, 777, 888, 999, 1036, 1332, 1512, 1554, 1998, 2072, 2331, 2664, 3108, 3996, 4662, 6216, 6993, 7992, 9324, 13986, 18648, 27972, 55944, 361111, 722222, 1083333, 1444444, 2166666, 2527777, 2888888, 3249999, 4333332, 5055554, 6499998, 7583331, 8666664, 9749997, 10111108, 12999996, 13361107, 15166662, 19499994, 20222216, 22749993, 25999992, 26722214, 30333324, 38999988, 40083321, 45499986, 53444428, 60666648, 68249979, 77999976, 80166642, 90999972, 93527749, 106888856, 120249963, 136499958, 160333284, 181999944, 187055498, 240499926, 272999916, 280583247, 320666568, 360749889, 374110996, 480999852, 545999832, 561166494, 721499778, 748221992, 841749741, 961999704, 1122332988, 1442999556, 1683499482, 2244665976, 2525249223, 2885999112, 3366998964, 5050498446, 6733997928, 10100996892, 20201993784]

約数ペア:

[(1, 20201993784), (2, 10100996892), (3, 6733997928), (4, 5050498446), (6, 3366998964), (7, 2885999112), (8, 2525249223), (9, 2244665976), (12, 1683499482), (14, 1442999556), (18, 1122332988), (21, 961999704), (24, 841749741), (27, 748221992), (28, 721499778), (36, 561166494), (37, 545999832), (42, 480999852), (54, 374110996), (56, 360749889), (63, 320666568), (72, 280583247), (74, 272999916), (84, 240499926), (108, 187055498), (111, 181999944), (126, 160333284), (148, 136499958), (168, 120249963), (189, 106888856), (216, 93527749), (222, 90999972), (252, 80166642), (259, 77999976), (296, 68249979), (333, 60666648), (378, 53444428), (444, 45499986), (504, 40083321), (518, 38999988), (666, 30333324), (756, 26722214), (777, 25999992), (888, 22749993), (999, 20222216), (1036, 19499994), (1332, 15166662), (1512, 13361107), (1554, 12999996), (1998, 10111108), (2072, 9749997), (2331, 8666664), (2664, 7583331), (3108, 6499998), (3996, 5055554), (4662, 4333332), (6216, 3249999), (6993, 2888888), (7992, 2527777), (9324, 2166666), (13986, 1444444), (18648, 1083333), (27972, 722222), (55944, 361111)]