20368095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 17993505

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 73, 89, 95, 165, 209, 219, 267, 285, 365, 445, 627, 803, 979, 1045, 1095, 1335, 1387, 1691, 2409, 2937, 3135, 4015, 4161, 4895, 5073, 6497, 6935, 8455, 12045, 14685, 15257, 18601, 19491, 20805, 25365, 32485, 45771, 55803, 71467, 76285, 93005, 97455, 123443, 214401, 228855, 279015, 357335, 370329, 617215, 1072005, 1357873, 1851645, 4073619, 6789365, 20368095]

約数ペア:

[(1, 20368095), (3, 6789365), (5, 4073619), (11, 1851645), (15, 1357873), (19, 1072005), (33, 617215), (55, 370329), (57, 357335), (73, 279015), (89, 228855), (95, 214401), (165, 123443), (209, 97455), (219, 93005), (267, 76285), (285, 71467), (365, 55803), (445, 45771), (627, 32485), (803, 25365), (979, 20805), (1045, 19491), (1095, 18601), (1335, 15257), (1387, 14685), (1691, 12045), (2409, 8455), (2937, 6935), (3135, 6497), (4015, 5073), (4161, 4895)]