20471490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17497}}^1$

素因数の和:17523

約数の個数: 48

約数和(自身を含む): 57323448

約数和(自身を除く): 36851958

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17497, 34994, 52491, 87485, 104982, 157473, 174970, 227461, 262455, 314946, 454922, 524910, 682383, 787365, 1137305, 1364766, 1574730, 2047149, 2274610, 3411915, 4094298, 6823830, 10235745, 20471490]

約数ペア:

[(1, 20471490), (2, 10235745), (3, 6823830), (5, 4094298), (6, 3411915), (9, 2274610), (10, 2047149), (13, 1574730), (15, 1364766), (18, 1137305), (26, 787365), (30, 682383), (39, 524910), (45, 454922), (65, 314946), (78, 262455), (90, 227461), (117, 174970), (130, 157473), (195, 104982), (234, 87485), (390, 52491), (585, 34994), (1170, 17497)]