20005969654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 33735398400

約数和(自身を除く): 13729428746

約数列:

[1, 2, 11, 22, 67, 109, 134, 218, 239, 478, 521, 737, 1042, 1199, 1474, 2398, 2629, 5258, 5731, 7303, 11462, 14606, 16013, 26051, 32026, 34907, 52102, 56789, 69814, 80333, 113578, 124519, 160666, 176143, 249038, 286561, 352286, 383977, 573122, 624679, 767954, 1249358, 1369709, 1745417, 2739418, 3490834, 3804863, 7609726, 8342773, 13572571, 16685546, 19199587, 27145142, 38399174, 41853493, 83706986, 91770503, 149298281, 183541006, 298596562, 909362257, 1818724514, 10002984827, 20005969654]

約数ペア:

[(1, 20005969654), (2, 10002984827), (11, 1818724514), (22, 909362257), (67, 298596562), (109, 183541006), (134, 149298281), (218, 91770503), (239, 83706986), (478, 41853493), (521, 38399174), (737, 27145142), (1042, 19199587), (1199, 16685546), (1474, 13572571), (2398, 8342773), (2629, 7609726), (5258, 3804863), (5731, 3490834), (7303, 2739418), (11462, 1745417), (14606, 1369709), (16013, 1249358), (26051, 767954), (32026, 624679), (34907, 573122), (52102, 383977), (56789, 352286), (69814, 286561), (80333, 249038), (113578, 176143), (124519, 160666)]