20170302572

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1213}}^1\times {\mathrm{1973}}^1$

素因数の和:3247

約数の個数: 72

約数和(自身を含む): 42071830416

約数和(自身を除く): 21901527844

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 1213, 1973, 2107, 2426, 3946, 4214, 4852, 7892, 8428, 8491, 13811, 16982, 27622, 33964, 52159, 55244, 59437, 84839, 96677, 104318, 118874, 169678, 193354, 208636, 237748, 339356, 365113, 386708, 593873, 730226, 1187746, 1460452, 2375492, 2393249, 2555791, 4157111, 4786498, 5111582, 8314222, 9572996, 10223164, 16628444, 16752743, 33505486, 67010972, 102909707, 117269201, 205819414, 234538402, 411638828, 469076804, 720367949, 1440735898, 2881471796, 5042575643, 10085151286, 20170302572]

約数ペア:

[(1, 20170302572), (2, 10085151286), (4, 5042575643), (7, 2881471796), (14, 1440735898), (28, 720367949), (43, 469076804), (49, 411638828), (86, 234538402), (98, 205819414), (172, 117269201), (196, 102909707), (301, 67010972), (602, 33505486), (1204, 16752743), (1213, 16628444), (1973, 10223164), (2107, 9572996), (2426, 8314222), (3946, 5111582), (4214, 4786498), (4852, 4157111), (7892, 2555791), (8428, 2393249), (8491, 2375492), (13811, 1460452), (16982, 1187746), (27622, 730226), (33964, 593873), (52159, 386708), (55244, 365113), (59437, 339356), (84839, 237748), (96677, 208636), (104318, 193354), (118874, 169678)]