20165991195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2\times {\mathrm{1229}}^1$

素因数の和:1417

約数の個数: 96

約数和(自身を含む): 38639554560

約数和(自身を除く): 18473563365

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 71, 93, 105, 155, 213, 217, 355, 465, 497, 651, 1065, 1085, 1229, 1491, 2201, 2485, 3255, 3687, 5041, 6145, 6603, 7455, 8603, 11005, 15123, 15407, 18435, 25205, 25809, 33015, 35287, 38099, 43015, 46221, 75615, 77035, 87259, 105861, 114297, 129045, 156271, 176435, 190495, 231105, 261777, 266693, 436295, 468813, 529305, 571485, 610813, 781355, 800079, 1093897, 1308885, 1333465, 1832439, 2344065, 2705029, 3054065, 3281691, 4000395, 5469485, 6195389, 8115087, 9162195, 13525145, 16408455, 18586167, 18935203, 30976945, 40575435, 43367723, 56805609, 92930835, 94676015, 130103169, 192057059, 216838615, 284028045, 576171177, 650515845, 960285295, 1344399413, 2880855885, 4033198239, 6721997065, 20165991195]

約数ペア:

[(1, 20165991195), (3, 6721997065), (5, 4033198239), (7, 2880855885), (15, 1344399413), (21, 960285295), (31, 650515845), (35, 576171177), (71, 284028045), (93, 216838615), (105, 192057059), (155, 130103169), (213, 94676015), (217, 92930835), (355, 56805609), (465, 43367723), (497, 40575435), (651, 30976945), (1065, 18935203), (1085, 18586167), (1229, 16408455), (1491, 13525145), (2201, 9162195), (2485, 8115087), (3255, 6195389), (3687, 5469485), (5041, 4000395), (6145, 3281691), (6603, 3054065), (7455, 2705029), (8603, 2344065), (11005, 1832439), (15123, 1333465), (15407, 1308885), (18435, 1093897), (25205, 800079), (25809, 781355), (33015, 610813), (35287, 571485), (38099, 529305), (43015, 468813), (46221, 436295), (75615, 266693), (77035, 261777), (87259, 231105), (105861, 190495), (114297, 176435), (129045, 156271)]