20736435525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{40357}}^1$

素因数の和:40431

約数の個数: 96

約数和(自身を含む): 40355417088

約数和(自身を除く): 19618981563

約数列:

[1, 3, 5, 13, 15, 17, 25, 31, 39, 51, 65, 75, 85, 93, 155, 195, 221, 255, 325, 403, 425, 465, 527, 663, 775, 975, 1105, 1209, 1275, 1581, 2015, 2325, 2635, 3315, 5525, 6045, 6851, 7905, 10075, 13175, 16575, 20553, 30225, 34255, 39525, 40357, 102765, 121071, 171275, 201785, 513825, 524641, 605355, 686069, 1008925, 1251067, 1573923, 2058207, 2623205, 3026775, 3430345, 3753201, 6255335, 7869615, 8918897, 10291035, 13116025, 16263871, 17151725, 18766005, 21268139, 26756691, 31276675, 39348075, 44594485, 48791613, 51455175, 63804417, 81319355, 93830025, 106340695, 133783455, 222972425, 243958065, 276485807, 319022085, 406596775, 531703475, 668917275, 829457421, 1219790325, 1382429035, 1595110425, 4147287105, 6912145175, 20736435525]

約数ペア:

[(1, 20736435525), (3, 6912145175), (5, 4147287105), (13, 1595110425), (15, 1382429035), (17, 1219790325), (25, 829457421), (31, 668917275), (39, 531703475), (51, 406596775), (65, 319022085), (75, 276485807), (85, 243958065), (93, 222972425), (155, 133783455), (195, 106340695), (221, 93830025), (255, 81319355), (325, 63804417), (403, 51455175), (425, 48791613), (465, 44594485), (527, 39348075), (663, 31276675), (775, 26756691), (975, 21268139), (1105, 18766005), (1209, 17151725), (1275, 16263871), (1581, 13116025), (2015, 10291035), (2325, 8918897), (2635, 7869615), (3315, 6255335), (5525, 3753201), (6045, 3430345), (6851, 3026775), (7905, 2623205), (10075, 2058207), (13175, 1573923), (16575, 1251067), (20553, 1008925), (30225, 686069), (34255, 605355), (39525, 524641), (40357, 513825), (102765, 201785), (121071, 171275)]