20494110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7507}}^1$

素因数の和:7537

約数の個数: 64

約数和(自身を含む): 60544512

約数和(自身を除く): 40050402

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7507, 15014, 22521, 37535, 45042, 52549, 75070, 97591, 105098, 112605, 157647, 195182, 225210, 262745, 292773, 315294, 487955, 525490, 585546, 683137, 788235, 975910, 1366274, 1463865, 1576470, 2049411, 2927730, 3415685, 4098822, 6831370, 10247055, 20494110]

約数ペア:

[(1, 20494110), (2, 10247055), (3, 6831370), (5, 4098822), (6, 3415685), (7, 2927730), (10, 2049411), (13, 1576470), (14, 1463865), (15, 1366274), (21, 975910), (26, 788235), (30, 683137), (35, 585546), (39, 525490), (42, 487955), (65, 315294), (70, 292773), (78, 262745), (91, 225210), (105, 195182), (130, 157647), (182, 112605), (195, 105098), (210, 97591), (273, 75070), (390, 52549), (455, 45042), (546, 37535), (910, 22521), (1365, 15014), (2730, 7507)]