20173284820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{21487}}^1$

素因数の和:21689

約数の個数: 96

約数和(自身を含む): 47911707648

約数和(自身を除く): 27738422828

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 157, 230, 260, 299, 314, 460, 598, 628, 785, 1196, 1495, 1570, 2041, 2990, 3140, 3611, 4082, 5980, 7222, 8164, 10205, 14444, 18055, 20410, 21487, 36110, 40820, 42974, 46943, 72220, 85948, 93886, 107435, 187772, 214870, 234715, 279331, 429740, 469430, 494201, 558662, 938860, 988402, 1117324, 1396655, 1976804, 2471005, 2793310, 3373459, 4942010, 5586620, 6424613, 6746918, 9884020, 12849226, 13493836, 16867295, 25698452, 32123065, 33734590, 43854967, 64246130, 67469180, 77589557, 87709934, 128492260, 155179114, 175419868, 219274835, 310358228, 387947785, 438549670, 775895570, 877099340, 1008664241, 1551791140, 2017328482, 4034656964, 5043321205, 10086642410, 20173284820]

約数ペア:

[(1, 20173284820), (2, 10086642410), (4, 5043321205), (5, 4034656964), (10, 2017328482), (13, 1551791140), (20, 1008664241), (23, 877099340), (26, 775895570), (46, 438549670), (52, 387947785), (65, 310358228), (92, 219274835), (115, 175419868), (130, 155179114), (157, 128492260), (230, 87709934), (260, 77589557), (299, 67469180), (314, 64246130), (460, 43854967), (598, 33734590), (628, 32123065), (785, 25698452), (1196, 16867295), (1495, 13493836), (1570, 12849226), (2041, 9884020), (2990, 6746918), (3140, 6424613), (3611, 5586620), (4082, 4942010), (5980, 3373459), (7222, 2793310), (8164, 2471005), (10205, 1976804), (14444, 1396655), (18055, 1117324), (20410, 988402), (21487, 938860), (36110, 558662), (40820, 494201), (42974, 469430), (46943, 429740), (72220, 279331), (85948, 234715), (93886, 214870), (107435, 187772)]