20796840963

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{6563}}^1$

素因数の和:6694

約数の個数: 80

約数和(自身を含む): 34311340800

約数和(自身を除く): 13514499837

約数列:

[1, 3, 9, 19, 27, 29, 57, 71, 81, 87, 171, 213, 261, 513, 551, 639, 783, 1349, 1539, 1653, 1917, 2059, 2349, 4047, 4959, 5751, 6177, 6563, 12141, 14877, 18531, 19689, 36423, 39121, 44631, 55593, 59067, 109269, 117363, 124697, 166779, 177201, 190327, 352089, 374091, 465973, 531603, 570981, 1056267, 1122273, 1397919, 1712943, 3168801, 3366819, 3616213, 4193757, 5138829, 8853487, 10100457, 10848639, 12581271, 13513217, 15416487, 26560461, 32545917, 37743813, 40539651, 79681383, 97637751, 121618953, 239044149, 256751123, 292913253, 364856859, 717132447, 770253369, 1094570577, 2310760107, 6932280321, 20796840963]

約数ペア:

[(1, 20796840963), (3, 6932280321), (9, 2310760107), (19, 1094570577), (27, 770253369), (29, 717132447), (57, 364856859), (71, 292913253), (81, 256751123), (87, 239044149), (171, 121618953), (213, 97637751), (261, 79681383), (513, 40539651), (551, 37743813), (639, 32545917), (783, 26560461), (1349, 15416487), (1539, 13513217), (1653, 12581271), (1917, 10848639), (2059, 10100457), (2349, 8853487), (4047, 5138829), (4959, 4193757), (5751, 3616213), (6177, 3366819), (6563, 3168801), (12141, 1712943), (14877, 1397919), (18531, 1122273), (19689, 1056267), (36423, 570981), (39121, 531603), (44631, 465973), (55593, 374091), (59067, 352089), (109269, 190327), (117363, 177201), (124697, 166779)]