20197473990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{74897}}^1$

素因数の和:75097

約数の個数: 64

約数和(自身を含む): 49504582080

約数和(自身を除く): 29307108090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 101, 178, 202, 267, 303, 445, 505, 534, 606, 890, 1010, 1335, 1515, 2670, 3030, 8989, 17978, 26967, 44945, 53934, 74897, 89890, 134835, 149794, 224691, 269670, 374485, 449382, 748970, 1123455, 2246910, 6665833, 7564597, 13331666, 15129194, 19997499, 22693791, 33329165, 37822985, 39994998, 45387582, 66658330, 75645970, 99987495, 113468955, 199974990, 226937910, 673249133, 1346498266, 2019747399, 3366245665, 4039494798, 6732491330, 10098736995, 20197473990]

約数ペア:

[(1, 20197473990), (2, 10098736995), (3, 6732491330), (5, 4039494798), (6, 3366245665), (10, 2019747399), (15, 1346498266), (30, 673249133), (89, 226937910), (101, 199974990), (178, 113468955), (202, 99987495), (267, 75645970), (303, 66658330), (445, 45387582), (505, 39994998), (534, 37822985), (606, 33329165), (890, 22693791), (1010, 19997499), (1335, 15129194), (1515, 13331666), (2670, 7564597), (3030, 6665833), (8989, 2246910), (17978, 1123455), (26967, 748970), (44945, 449382), (53934, 374485), (74897, 269670), (89890, 224691), (134835, 149794)]