20219160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{997}}^1$

素因数の和:1037

約数の個数: 96

約数和(自身を含む): 65748240

約数和(自身を除く): 45529080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 997, 1014, 1352, 1560, 1690, 1994, 2028, 2535, 2991, 3380, 3988, 4056, 4985, 5070, 5982, 6760, 7976, 9970, 10140, 11964, 12961, 14955, 19940, 20280, 23928, 25922, 29910, 38883, 39880, 51844, 59820, 64805, 77766, 103688, 119640, 129610, 155532, 168493, 194415, 259220, 311064, 336986, 388830, 505479, 518440, 673972, 777660, 842465, 1010958, 1347944, 1555320, 1684930, 2021916, 2527395, 3369860, 4043832, 5054790, 6739720, 10109580, 20219160]

約数ペア:

[(1, 20219160), (2, 10109580), (3, 6739720), (4, 5054790), (5, 4043832), (6, 3369860), (8, 2527395), (10, 2021916), (12, 1684930), (13, 1555320), (15, 1347944), (20, 1010958), (24, 842465), (26, 777660), (30, 673972), (39, 518440), (40, 505479), (52, 388830), (60, 336986), (65, 311064), (78, 259220), (104, 194415), (120, 168493), (130, 155532), (156, 129610), (169, 119640), (195, 103688), (260, 77766), (312, 64805), (338, 59820), (390, 51844), (507, 39880), (520, 38883), (676, 29910), (780, 25922), (845, 23928), (997, 20280), (1014, 19940), (1352, 14955), (1560, 12961), (1690, 11964), (1994, 10140), (2028, 9970), (2535, 7976), (2991, 6760), (3380, 5982), (3988, 5070), (4056, 4985)]