20343026860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{659}}^1\times {\mathrm{9133}}^1$

素因数の和:9827

約数の個数: 72

約数和(自身を含む): 46334589840

約数和(自身を除く): 25991562980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 659, 676, 845, 1318, 1690, 2636, 3295, 3380, 6590, 8567, 9133, 13180, 17134, 18266, 34268, 36532, 42835, 45665, 85670, 91330, 111371, 118729, 171340, 182660, 222742, 237458, 445484, 474916, 556855, 593645, 1113710, 1187290, 1543477, 2227420, 2374580, 3086954, 6018647, 6173908, 7717385, 12037294, 15434770, 24074588, 30093235, 30869540, 60186470, 78242411, 120372940, 156484822, 312969644, 391212055, 782424110, 1017151343, 1564848220, 2034302686, 4068605372, 5085756715, 10171513430, 20343026860]

約数ペア:

[(1, 20343026860), (2, 10171513430), (4, 5085756715), (5, 4068605372), (10, 2034302686), (13, 1564848220), (20, 1017151343), (26, 782424110), (52, 391212055), (65, 312969644), (130, 156484822), (169, 120372940), (260, 78242411), (338, 60186470), (659, 30869540), (676, 30093235), (845, 24074588), (1318, 15434770), (1690, 12037294), (2636, 7717385), (3295, 6173908), (3380, 6018647), (6590, 3086954), (8567, 2374580), (9133, 2227420), (13180, 1543477), (17134, 1187290), (18266, 1113710), (34268, 593645), (36532, 556855), (42835, 474916), (45665, 445484), (85670, 237458), (91330, 222742), (111371, 182660), (118729, 171340)]