20153325140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1\times {\mathrm{1511}}^1$

素因数の和:2769

約数の個数: 96

約数和(自身を含む): 46707446016

約数和(自身を除く): 26554120876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1193, 1511, 2236, 2386, 2795, 3022, 4772, 5590, 5965, 6044, 7555, 11180, 11930, 15110, 15509, 19643, 23860, 30220, 31018, 39286, 51299, 62036, 64973, 77545, 78572, 98215, 102598, 129946, 155090, 196430, 205196, 256495, 259892, 310180, 324865, 392860, 512990, 649730, 666887, 844649, 1025980, 1299460, 1333774, 1689298, 1802623, 2667548, 3334435, 3378596, 3605246, 4223245, 6668870, 7210492, 8446490, 9013115, 13337740, 16892980, 18026230, 23434099, 36052460, 46868198, 77512789, 93736396, 117170495, 155025578, 234340990, 310051156, 387563945, 468681980, 775127890, 1007666257, 1550255780, 2015332514, 4030665028, 5038331285, 10076662570, 20153325140]

約数ペア:

[(1, 20153325140), (2, 10076662570), (4, 5038331285), (5, 4030665028), (10, 2015332514), (13, 1550255780), (20, 1007666257), (26, 775127890), (43, 468681980), (52, 387563945), (65, 310051156), (86, 234340990), (130, 155025578), (172, 117170495), (215, 93736396), (260, 77512789), (430, 46868198), (559, 36052460), (860, 23434099), (1118, 18026230), (1193, 16892980), (1511, 13337740), (2236, 9013115), (2386, 8446490), (2795, 7210492), (3022, 6668870), (4772, 4223245), (5590, 3605246), (5965, 3378596), (6044, 3334435), (7555, 2667548), (11180, 1802623), (11930, 1689298), (15110, 1333774), (15509, 1299460), (19643, 1025980), (23860, 844649), (30220, 666887), (31018, 649730), (39286, 512990), (51299, 392860), (62036, 324865), (64973, 310180), (77545, 259892), (78572, 256495), (98215, 205196), (102598, 196430), (129946, 155090)]