20165037739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{26731}}^1$

素因数の和:26947

約数の個数: 32

約数和(自身を含む): 25652454912

約数和(自身を除く): 5487417173

約数列:

[1, 7, 11, 77, 97, 101, 679, 707, 1067, 1111, 7469, 7777, 9797, 26731, 68579, 107767, 187117, 294041, 754369, 2058287, 2592907, 2699831, 18150349, 18898817, 28521977, 29698141, 199653839, 207886987, 261883607, 1833185249, 2880719677, 20165037739]

約数ペア:

[(1, 20165037739), (7, 2880719677), (11, 1833185249), (77, 261883607), (97, 207886987), (101, 199653839), (679, 29698141), (707, 28521977), (1067, 18898817), (1111, 18150349), (7469, 2699831), (7777, 2592907), (9797, 2058287), (26731, 754369), (68579, 294041), (107767, 187117)]