20132826

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 49401216

約数和(自身を除く): 29268390

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 47, 49, 62, 93, 94, 98, 141, 147, 186, 217, 282, 294, 329, 434, 651, 658, 987, 1302, 1457, 1519, 1974, 2209, 2303, 2914, 3038, 4371, 4418, 4557, 4606, 6627, 6909, 8742, 9114, 10199, 13254, 13818, 15463, 20398, 30597, 30926, 46389, 61194, 68479, 71393, 92778, 108241, 136958, 142786, 205437, 214179, 216482, 324723, 410874, 428358, 479353, 649446, 958706, 1438059, 2876118, 3355471, 6710942, 10066413, 20132826]

約数ペア:

[(1, 20132826), (2, 10066413), (3, 6710942), (6, 3355471), (7, 2876118), (14, 1438059), (21, 958706), (31, 649446), (42, 479353), (47, 428358), (49, 410874), (62, 324723), (93, 216482), (94, 214179), (98, 205437), (141, 142786), (147, 136958), (186, 108241), (217, 92778), (282, 71393), (294, 68479), (329, 61194), (434, 46389), (651, 30926), (658, 30597), (987, 20398), (1302, 15463), (1457, 13818), (1519, 13254), (1974, 10199), (2209, 9114), (2303, 8742), (2914, 6909), (3038, 6627), (4371, 4606), (4418, 4557)]