20386716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7829}}^1$

素因数の和:7874

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 35738724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7829, 15658, 23487, 31316, 46974, 54803, 93948, 109606, 164409, 219212, 242699, 328818, 485398, 657636, 728097, 970796, 1456194, 1698893, 2912388, 3397786, 5096679, 6795572, 10193358, 20386716]

約数ペア:

[(1, 20386716), (2, 10193358), (3, 6795572), (4, 5096679), (6, 3397786), (7, 2912388), (12, 1698893), (14, 1456194), (21, 970796), (28, 728097), (31, 657636), (42, 485398), (62, 328818), (84, 242699), (93, 219212), (124, 164409), (186, 109606), (217, 93948), (372, 54803), (434, 46974), (651, 31316), (868, 23487), (1302, 15658), (2604, 7829)]