20921600856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{918581}}^1$

素因数の和:918676

約数の個数: 64

約数和(自身を含む): 57099057120

約数和(自身を除く): 36177456264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 949, 1752, 1898, 2847, 3796, 5694, 7592, 11388, 22776, 918581, 1837162, 2755743, 3674324, 5511486, 7348648, 11022972, 11941553, 22045944, 23883106, 35824659, 47766212, 67056413, 71649318, 95532424, 134112826, 143298636, 201169239, 268225652, 286597272, 402338478, 536451304, 804676956, 871733369, 1609353912, 1743466738, 2615200107, 3486933476, 5230400214, 6973866952, 10460800428, 20921600856]

約数ペア:

[(1, 20921600856), (2, 10460800428), (3, 6973866952), (4, 5230400214), (6, 3486933476), (8, 2615200107), (12, 1743466738), (13, 1609353912), (24, 871733369), (26, 804676956), (39, 536451304), (52, 402338478), (73, 286597272), (78, 268225652), (104, 201169239), (146, 143298636), (156, 134112826), (219, 95532424), (292, 71649318), (312, 67056413), (438, 47766212), (584, 35824659), (876, 23883106), (949, 22045944), (1752, 11941553), (1898, 11022972), (2847, 7348648), (3796, 5511486), (5694, 3674324), (7592, 2755743), (11388, 1837162), (22776, 918581)]