20744514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2699}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 31484286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2699, 3843, 5398, 7686, 8097, 16194, 18893, 24291, 37786, 48582, 56679, 113358, 164639, 170037, 329278, 340074, 493917, 987834, 1152473, 1481751, 2304946, 2963502, 3457419, 6914838, 10372257, 20744514]

約数ペア:

[(1, 20744514), (2, 10372257), (3, 6914838), (6, 3457419), (7, 2963502), (9, 2304946), (14, 1481751), (18, 1152473), (21, 987834), (42, 493917), (61, 340074), (63, 329278), (122, 170037), (126, 164639), (183, 113358), (366, 56679), (427, 48582), (549, 37786), (854, 24291), (1098, 18893), (1281, 16194), (2562, 8097), (2699, 7686), (3843, 5398)]