20213248860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{219757}}^1$

素因数の和:219852

約数の個数: 144

約数和(自身を含む): 71032817856

約数和(自身を除く): 50819568996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 876, 1022, 1095, 1260, 1314, 1460, 1533, 2044, 2190, 2555, 2628, 3066, 3285, 4380, 4599, 5110, 6132, 6570, 7665, 9198, 10220, 13140, 15330, 18396, 22995, 30660, 45990, 91980, 219757, 439514, 659271, 879028, 1098785, 1318542, 1538299, 1977813, 2197570, 2637084, 3076598, 3296355, 3955626, 4395140, 4614897, 6153196, 6592710, 7691495, 7911252, 9229794, 9889065, 13185420, 13844691, 15382990, 16042261, 18459588, 19778130, 23074485, 27689382, 30765980, 32084522, 39556260, 46148970, 48126783, 55378764, 64169044, 69223455, 80211305, 92297940, 96253566, 112295827, 138446910, 144380349, 160422610, 192507132, 224591654, 240633915, 276893820, 288760698, 320845220, 336887481, 449183308, 481267830, 561479135, 577521396, 673774962, 721901745, 962535660, 1010662443, 1122958270, 1347549924, 1443803490, 1684437405, 2021324886, 2245916540, 2887606980, 3368874810, 4042649772, 5053312215, 6737749620, 10106624430, 20213248860]

約数ペア:

[(1, 20213248860), (2, 10106624430), (3, 6737749620), (4, 5053312215), (5, 4042649772), (6, 3368874810), (7, 2887606980), (9, 2245916540), (10, 2021324886), (12, 1684437405), (14, 1443803490), (15, 1347549924), (18, 1122958270), (20, 1010662443), (21, 962535660), (28, 721901745), (30, 673774962), (35, 577521396), (36, 561479135), (42, 481267830), (45, 449183308), (60, 336887481), (63, 320845220), (70, 288760698), (73, 276893820), (84, 240633915), (90, 224591654), (105, 192507132), (126, 160422610), (140, 144380349), (146, 138446910), (180, 112295827), (210, 96253566), (219, 92297940), (252, 80211305), (292, 69223455), (315, 64169044), (365, 55378764), (420, 48126783), (438, 46148970), (511, 39556260), (630, 32084522), (657, 30765980), (730, 27689382), (876, 23074485), (1022, 19778130), (1095, 18459588), (1260, 16042261), (1314, 15382990), (1460, 13844691), (1533, 13185420), (2044, 9889065), (2190, 9229794), (2555, 7911252), (2628, 7691495), (3066, 6592710), (3285, 6153196), (4380, 4614897), (4599, 4395140), (5110, 3955626), (6132, 3296355), (6570, 3076598), (7665, 2637084), (9198, 2197570), (10220, 1977813), (13140, 1538299), (15330, 1318542), (18396, 1098785), (22995, 879028), (30660, 659271), (45990, 439514), (91980, 219757)]