20347410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 52399872

約数和(自身を除く): 32052462

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 797, 851, 1110, 1594, 1702, 2391, 2553, 3985, 4255, 4782, 5106, 7970, 8510, 11955, 12765, 18331, 23910, 25530, 29489, 36662, 54993, 58978, 88467, 91655, 109986, 147445, 176934, 183310, 274965, 294890, 442335, 549930, 678247, 884670, 1356494, 2034741, 3391235, 4069482, 6782470, 10173705, 20347410]

約数ペア:

[(1, 20347410), (2, 10173705), (3, 6782470), (5, 4069482), (6, 3391235), (10, 2034741), (15, 1356494), (23, 884670), (30, 678247), (37, 549930), (46, 442335), (69, 294890), (74, 274965), (111, 183310), (115, 176934), (138, 147445), (185, 109986), (222, 91655), (230, 88467), (345, 58978), (370, 54993), (555, 36662), (690, 29489), (797, 25530), (851, 23910), (1110, 18331), (1594, 12765), (1702, 11955), (2391, 8510), (2553, 7970), (3985, 5106), (4255, 4782)]