20825610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 54698112

約数和(自身を除く): 33872502

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 797, 871, 1005, 1594, 1742, 2010, 2391, 2613, 3985, 4355, 4782, 5226, 7970, 8710, 10361, 11955, 13065, 20722, 23910, 26130, 31083, 51805, 53399, 62166, 103610, 106798, 155415, 160197, 266995, 310830, 320394, 533990, 694187, 800985, 1388374, 1601970, 2082561, 3470935, 4165122, 6941870, 10412805, 20825610]

約数ペア:

[(1, 20825610), (2, 10412805), (3, 6941870), (5, 4165122), (6, 3470935), (10, 2082561), (13, 1601970), (15, 1388374), (26, 800985), (30, 694187), (39, 533990), (65, 320394), (67, 310830), (78, 266995), (130, 160197), (134, 155415), (195, 106798), (201, 103610), (335, 62166), (390, 53399), (402, 51805), (670, 31083), (797, 26130), (871, 23910), (1005, 20722), (1594, 13065), (1742, 11955), (2010, 10361), (2391, 8710), (2613, 7970), (3985, 5226), (4355, 4782)]