20090568970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{2707}}^1$

素因数の和:3103

約数の個数: 64

約数和(自身を含む): 37903334400

約数和(自身を除く): 17812765430

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 269, 310, 445, 538, 890, 1345, 2690, 2707, 2759, 5414, 5518, 8339, 13535, 13795, 16678, 23941, 27070, 27590, 41695, 47882, 83390, 83917, 119705, 167834, 239410, 240923, 419585, 481846, 728183, 742171, 839170, 1204615, 1456366, 1484342, 2409230, 3640915, 3710855, 7281830, 7421710, 7468613, 14937226, 22573673, 37343065, 45147346, 64808287, 74686130, 112868365, 129616574, 225736730, 324041435, 648082870, 2009056897, 4018113794, 10045284485, 20090568970]

約数ペア:

[(1, 20090568970), (2, 10045284485), (5, 4018113794), (10, 2009056897), (31, 648082870), (62, 324041435), (89, 225736730), (155, 129616574), (178, 112868365), (269, 74686130), (310, 64808287), (445, 45147346), (538, 37343065), (890, 22573673), (1345, 14937226), (2690, 7468613), (2707, 7421710), (2759, 7281830), (5414, 3710855), (5518, 3640915), (8339, 2409230), (13535, 1484342), (13795, 1456366), (16678, 1204615), (23941, 839170), (27070, 742171), (27590, 728183), (41695, 481846), (47882, 419585), (83390, 240923), (83917, 239410), (119705, 167834)]