20778444837

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1212

約数の個数: 96

約数和(自身を含む): 34057843200

約数和(自身を除く): 13279398363

約数列:

[1, 3, 9, 17, 27, 47, 51, 53, 141, 153, 159, 289, 423, 459, 477, 799, 867, 901, 1069, 1269, 1431, 2397, 2491, 2601, 2703, 3207, 7191, 7473, 7803, 8109, 9621, 13583, 15317, 18173, 21573, 22419, 24327, 28863, 40749, 42347, 45951, 50243, 54519, 56657, 67257, 122247, 127041, 137853, 150729, 163557, 169971, 308941, 366741, 381123, 413559, 452187, 490671, 509913, 719899, 854131, 926823, 963169, 1143369, 1356561, 1529739, 2159697, 2562393, 2662879, 2780469, 2889507, 6479091, 7687179, 7988637, 8341407, 8668521, 14520227, 16373873, 19437273, 23061537, 23965911, 26005563, 43560681, 45268943, 49121619, 71897733, 130682043, 135806829, 147364857, 392046129, 407420487, 442094571, 769572031, 1222261461, 2308716093, 6926148279, 20778444837]

約数ペア:

[(1, 20778444837), (3, 6926148279), (9, 2308716093), (17, 1222261461), (27, 769572031), (47, 442094571), (51, 407420487), (53, 392046129), (141, 147364857), (153, 135806829), (159, 130682043), (289, 71897733), (423, 49121619), (459, 45268943), (477, 43560681), (799, 26005563), (867, 23965911), (901, 23061537), (1069, 19437273), (1269, 16373873), (1431, 14520227), (2397, 8668521), (2491, 8341407), (2601, 7988637), (2703, 7687179), (3207, 6479091), (7191, 2889507), (7473, 2780469), (7803, 2662879), (8109, 2562393), (9621, 2159697), (13583, 1529739), (15317, 1356561), (18173, 1143369), (21573, 963169), (22419, 926823), (24327, 854131), (28863, 719899), (40749, 509913), (42347, 490671), (45951, 452187), (50243, 413559), (54519, 381123), (56657, 366741), (67257, 308941), (122247, 169971), (127041, 163557), (137853, 150729)]