20454927474975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1709}}^1\times {\mathrm{991217}}^1$

素因数の和:992969

約数の個数: 96

約数和(自身を含む): 40354150026240

約数和(自身を除く): 19899222551265

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1709, 1725, 2415, 4025, 5127, 8545, 11963, 12075, 25635, 35889, 39307, 42725, 59815, 117921, 128175, 179445, 196535, 275149, 299075, 589605, 825447, 897225, 982675, 991217, 1375745, 2948025, 2973651, 4127235, 4956085, 6878725, 6938519, 14868255, 20636175, 20815557, 22797991, 24780425, 34692595, 68393973, 74341275, 104077785, 113989955, 159585937, 173462975, 341969865, 478757811, 520388925, 569949775, 797929685, 1693989853, 1709849325, 2393789055, 3989648425, 5081969559, 8469949265, 11857928971, 11968945275, 25409847795, 35573786913, 38961766619, 42349746325, 59289644855, 116885299857, 127049238975, 177868934565, 194808833095, 272732366333, 296448224275, 584426499285, 818197098999, 889344672825, 974044165475, 1363661831665, 2922132496425, 4090985494995, 6818309158325, 20454927474975]

約数ペア:

[(1, 20454927474975), (3, 6818309158325), (5, 4090985494995), (7, 2922132496425), (15, 1363661831665), (21, 974044165475), (23, 889344672825), (25, 818197098999), (35, 584426499285), (69, 296448224275), (75, 272732366333), (105, 194808833095), (115, 177868934565), (161, 127049238975), (175, 116885299857), (345, 59289644855), (483, 42349746325), (525, 38961766619), (575, 35573786913), (805, 25409847795), (1709, 11968945275), (1725, 11857928971), (2415, 8469949265), (4025, 5081969559), (5127, 3989648425), (8545, 2393789055), (11963, 1709849325), (12075, 1693989853), (25635, 797929685), (35889, 569949775), (39307, 520388925), (42725, 478757811), (59815, 341969865), (117921, 173462975), (128175, 159585937), (179445, 113989955), (196535, 104077785), (275149, 74341275), (299075, 68393973), (589605, 34692595), (825447, 24780425), (897225, 22797991), (982675, 20815557), (991217, 20636175), (1375745, 14868255), (2948025, 6938519), (2973651, 6878725), (4127235, 4956085)]