20348081565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{21487}}^1$

素因数の和:21842

約数の個数: 64

約数和(自身を含む): 38616514560

約数和(自身を除く): 18268432995

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 311, 435, 609, 933, 1015, 1555, 2177, 3045, 4665, 6531, 9019, 10885, 21487, 27057, 32655, 45095, 63133, 64461, 107435, 135285, 150409, 189399, 315665, 322305, 451227, 623123, 752045, 946995, 1869369, 2256135, 3115615, 4361861, 6682457, 9346845, 13085583, 20047371, 21809305, 33412285, 46777199, 65427915, 100236855, 140331597, 193791253, 233885995, 581373759, 701657985, 968956265, 1356538771, 2906868795, 4069616313, 6782693855, 20348081565]

約数ペア:

[(1, 20348081565), (3, 6782693855), (5, 4069616313), (7, 2906868795), (15, 1356538771), (21, 968956265), (29, 701657985), (35, 581373759), (87, 233885995), (105, 193791253), (145, 140331597), (203, 100236855), (311, 65427915), (435, 46777199), (609, 33412285), (933, 21809305), (1015, 20047371), (1555, 13085583), (2177, 9346845), (3045, 6682457), (4665, 4361861), (6531, 3115615), (9019, 2256135), (10885, 1869369), (21487, 946995), (27057, 752045), (32655, 623123), (45095, 451227), (63133, 322305), (64461, 315665), (107435, 189399), (135285, 150409)]