20739528082

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{22157}}^1$

素因数の和:22355

約数の個数: 64

約数和(自身を含む): 39607868160

約数和(自身を除く): 18868340078

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 139, 182, 259, 278, 481, 518, 962, 973, 1807, 1946, 3367, 3614, 5143, 6734, 10286, 12649, 22157, 25298, 36001, 44314, 66859, 72002, 133718, 155099, 288041, 310198, 468013, 576082, 819809, 936026, 1639618, 2016287, 3079823, 4032574, 5738663, 6159646, 10657517, 11477326, 21315034, 21558761, 40037699, 43117522, 74602619, 80075398, 113953451, 149205238, 227906902, 280263893, 560527786, 797674157, 1481394863, 1595348314, 2962789726, 10369764041, 20739528082]

約数ペア:

[(1, 20739528082), (2, 10369764041), (7, 2962789726), (13, 1595348314), (14, 1481394863), (26, 797674157), (37, 560527786), (74, 280263893), (91, 227906902), (139, 149205238), (182, 113953451), (259, 80075398), (278, 74602619), (481, 43117522), (518, 40037699), (962, 21558761), (973, 21315034), (1807, 11477326), (1946, 10657517), (3367, 6159646), (3614, 5738663), (5143, 4032574), (6734, 3079823), (10286, 2016287), (12649, 1639618), (22157, 936026), (25298, 819809), (36001, 576082), (44314, 468013), (66859, 310198), (72002, 288041), (133718, 155099)]