20119781384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{224491}}^1$

素因数の和:225173

約数の個数: 32

約数和(自身を含む): 40004474400

約数和(自身を除く): 19884693016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 659, 1318, 2636, 5272, 11203, 22406, 44812, 89624, 224491, 448982, 897964, 1795928, 3816347, 7632694, 15265388, 30530776, 147939569, 295879138, 591758276, 1183516552, 2514972673, 5029945346, 10059890692, 20119781384]

約数ペア:

[(1, 20119781384), (2, 10059890692), (4, 5029945346), (8, 2514972673), (17, 1183516552), (34, 591758276), (68, 295879138), (136, 147939569), (659, 30530776), (1318, 15265388), (2636, 7632694), (5272, 3816347), (11203, 1795928), (22406, 897964), (44812, 448982), (89624, 224491)]