20219774024

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{130531}}^1$

素因数の和:130638

約数の個数: 48

約数和(自身を含む): 40874790480

約数和(自身を除く): 20655016456

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 289, 536, 578, 1139, 1156, 2278, 2312, 4556, 9112, 19363, 38726, 77452, 130531, 154904, 261062, 522124, 1044248, 2219027, 4438054, 8745577, 8876108, 17491154, 17752216, 34982308, 37723459, 69964616, 75446918, 148674809, 150893836, 297349618, 301787672, 594699236, 1189398472, 2527471753, 5054943506, 10109887012, 20219774024]

約数ペア:

[(1, 20219774024), (2, 10109887012), (4, 5054943506), (8, 2527471753), (17, 1189398472), (34, 594699236), (67, 301787672), (68, 297349618), (134, 150893836), (136, 148674809), (268, 75446918), (289, 69964616), (536, 37723459), (578, 34982308), (1139, 17752216), (1156, 17491154), (2278, 8876108), (2312, 8745577), (4556, 4438054), (9112, 2219027), (19363, 1044248), (38726, 522124), (77452, 261062), (130531, 154904)]