20432864504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{10211}}^1$

素因数の和:10572

約数の個数: 64

約数和(自身を含む): 41998279680

約数和(自身を除く): 21565415176

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 271, 284, 542, 568, 923, 1084, 1846, 2168, 3523, 3692, 7046, 7384, 10211, 14092, 19241, 20422, 28184, 38482, 40844, 76964, 81688, 132743, 153928, 250133, 265486, 500266, 530972, 724981, 1000532, 1061944, 1449962, 2001064, 2767181, 2899924, 5534362, 5799848, 9424753, 11068724, 18849506, 22137448, 35973353, 37699012, 71946706, 75398024, 143893412, 196469851, 287786824, 392939702, 785879404, 1571758808, 2554108063, 5108216126, 10216432252, 20432864504]

約数ペア:

[(1, 20432864504), (2, 10216432252), (4, 5108216126), (8, 2554108063), (13, 1571758808), (26, 785879404), (52, 392939702), (71, 287786824), (104, 196469851), (142, 143893412), (271, 75398024), (284, 71946706), (542, 37699012), (568, 35973353), (923, 22137448), (1084, 18849506), (1846, 11068724), (2168, 9424753), (3523, 5799848), (3692, 5534362), (7046, 2899924), (7384, 2767181), (10211, 2001064), (14092, 1449962), (19241, 1061944), (20422, 1000532), (28184, 724981), (38482, 530972), (40844, 500266), (76964, 265486), (81688, 250133), (132743, 153928)]