20235099728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1260911}}^1$

素因数の和:1260995

約数の個数: 40

約数和(自身を含む): 42215333760

約数和(自身を除く): 21980234032

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 2006, 4012, 8024, 16048, 1260911, 2521822, 5043644, 10087288, 20174576, 21435487, 42870974, 74393749, 85741948, 148787498, 171483896, 297574996, 342967792, 595149992, 1190299984, 1264693733, 2529387466, 5058774932, 10117549864, 20235099728]

約数ペア:

[(1, 20235099728), (2, 10117549864), (4, 5058774932), (8, 2529387466), (16, 1264693733), (17, 1190299984), (34, 595149992), (59, 342967792), (68, 297574996), (118, 171483896), (136, 148787498), (236, 85741948), (272, 74393749), (472, 42870974), (944, 21435487), (1003, 20174576), (2006, 10087288), (4012, 5043644), (8024, 2521822), (16048, 1260911)]